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See also: Endo, -endo, endo-, -endő, and endō



  • IPA(key): /ˈɛndəʊ/
  • (file)
  • Rhymes: -ɛndəʊ

Etymology 1[edit]

Originally used to refer to the bottom tips of the marijuana plant which accumulate the most resin and crystals after being hung to dry, probably from end +‎ -o.


endo (uncountable)

  1. (slang) Marijuana.
    Synonyms: see Thesaurus:marijuana
    • 1998, Snoop Dogg, Gin and Juice:
      rollin' down the street smokin' endo / sippin' on gin and juice
    • 1994, Nas, Jungle Jay:
      So as I drive home / I roll my window up / And my endo up in the same motion
    • For more quotations using this term, see Citations:endo.

Etymology 2[edit]

English Wikipedia has an article on:
endo (sense 1)

From end over end.


endo (plural endos)

  1. (cycling) A bicycle or motorcycle trick where the bike is ridden on the front wheel.
    Synonyms: stoppie, front wheelie
  2. (cycling) A crash in which the back wheel of the bicycle lifts off the ground and the cyclist is hurtled over the handlebars.
    • 2000 November 17, Joe Glickman, “High in the Saddle for a Rousing Ride That's Bumpy, Bruising and Scary”, in The New York Times[1]:
      Midway down a winding descent on a dry, rocky trail during a mountain bike race in Maui, I tried to avoid a large rock, jammed on my front brakes and went flying over the handlebars – a judo-style fall known as an "endo". [] To avoid future "endos" on precipitous descents, I stood with my weight over the rear wheel, gripping the seat with my thighs.


endo (third-person singular simple present endos, present participle endoing, simple past and past participle endoed)

  1. (cycling) To perform an endo (trick).
    • 2011, Clive Forth, The Mountain Biking Pocket Guide: Your Slope Saviour, London: Bloomsbury Publishing, →ISBN, page 8:
      I remember when disc brakes became a worthwhile investment; from this point on, following Clive became extremely dangerous. He just kept endoing everywhere! Down a steep bank, through a stile, on his dad's bed… [] Clive endos smoothly into the corner while swinging the back wheel out, drops into the switchback and he's away.
  2. (cycling) To suffer an endo (crash).
    • 2019 December 9, “The 2019 Outsiders of the Year”, in Outside[2]:
      Pro athletes are expected to be Very Online. Some polish their profiles to a high shine; Courtney rides her own line. There are the obligatory golden-hour shots, but her Insta also has quirky strength-training videos and footage of total yard sales—like her endoing on a training ride this spring.

See also[edit]

Etymology 3[edit]

Clippings, ultimately from Ancient Greek ἔνδον (éndon, inner; internal). Compare the prefix endo-.


endo (countable and uncountable, plural endos)

  1. (uncountable, medicine, informal) Clipping of endocrinology.
  2. (countable, medicine, informal) Clipping of endocrinologist.
    • 2010, Cheryl Alkon, Balancing Pregnancy with Pre-existing Diabetes, page 150:
      Since my endo did not practice at the hospital I delivered at, I did not have the oversight I needed to adjust my fluctuating sugars []
  3. (uncountable, medicine, informal) Clipping of endometriosis.
    • 2021 March 15, Kylie Maslen, “The conversation about endometriosis and invisible illness has finally reached the arts”, in The Guardian[3]:
      Endo Days is a self-described cabaret, comedy and “singing support group”. Libby Trainor Parker, a festival weekly award winner, highlights the reality of comfy pyjamas, wheat bags and suppositories for women living with endo.
  4. (countable, dentistry, informal) Clipping of endodontics.
    • 2022 August 19, Louis Malcmacher, “Learn something new: Incorporating Botox and dermal fillers into your practice”, in Dental Economics[4]:
      I question dentists about the services they actually provide in their offices. Do you do crown and bridge and restorative dentistry? “Of course.” Do you do endodontics? “No, I never really liked endo.”
  5. (countable, dentistry, informal) Clipping of endodontic treatment.
    • 2021 October 25, Joshua Austin, “Pearls for Your Practice: 3-Day Polished Zirconia Crowns by 38 Smiles Dental Lab”, in Dental Economics[5]:
      Supraeruption happens. Gingival inflammation happens. Pulpal inflammation happens. Traditionally, we can “work through” these problems. We can grind crowns into place. We anesthetize and use hemostatics on the gingiva. We do endos. But we shouldn’t have to do those things, especially with digital dentistry.

Etymology 4[edit]

Coined from end of contract, as used on the contracts given to workers under the system.


endo (countable and uncountable, plural endos)

  1. (Philippines, uncountable) A labor contracting system where workers are hired by employment agencies to work for a specific period of time until being replaced and prohibited from being re-hired.
    • 2019 July 27, Virgil Lopez, “Panelo corrects self on veto of Security of Tenure bill”, in GMA News Online[6], retrieved 2019-07-26:
      The landmark measure meant to eliminate 'endo' or the practice subcontracting of labor.
    • 2019 July 27, Vann Marlo M. Villegas, “Duterte strikes down measure tightening labor contracting rules”, in BusinessWorld[7], retrieved 2019-07-26:
      [...] 13 local and foreign business chambers asked "the president to veto the security of tenure bill" since it "is redundant as there are previously approved laws that already protects workers from 'endo' (end of contract scheme), [...]"
    • 2019 July 27, Virgil Lopez, “Palace: Duterte to pursue promise to stop 'endo' within his term”, in GMA News Online[8], retrieved 2019-07-26:
  2. (Philippines, countable) A person employed under this system.
    • 2018 April 26, Art Amansec, “Of ‘endos,’ contractuals and contractualized employees”, in BusinessMirror[9]:
      [] Labor Day is just around the corner, hence, it is timely to examine the current and hot issues affecting the workers’ sector. One such issue concerns the matter of endos, contractuals and contractualized employees. / Endos, contractuals and contractualized employees do not enjoy full security of tenure rights as guaranteed by the Constitution and the Labor Code.





  1. Rōmaji transcription of エンド



From Proto-Indo-European *h₁n̥dó (in). Compare Ancient Greek ἔνδον (éndon, in, within).



  1. in
    • (Can we date this quote?), Cicero, De Legibus
      Divos et eos, qui caelestes semper habiti, colunto et ollos, quos endo caelo merita locaverint...
      They shall worship as gods both those who have always been regarded as dwellers in heaven...

Usage notes[edit]

Though considered somewhat artificial, there are instances of usage in Classical Latin, especially as a preverb and in dactylic verse.

Related terms[edit]