-ad-

See also: Appendix:Variations of "ad"

Esperanto

Etymology

Etymology tree

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-tós

Proto-Indo-European *-eh₂tos

Proto-Italic *-ātos

Latin -ātus

Latin -atader.

Occitan -adader.

French -adebor.

Esperanto -ad-

Borrowed from French -ade, as in promenade; adopted by other languages, as seen in English blockade.

Interfix

-ad-

1. (verbal suffix) -adi notable duration of an action

   ‎lerni (“to learn”) → ‎lernadi (“to study”)

2. (nominal suffix with verbal root) -ado noun of an action

   ‎vivi (“to live”) → ‎vivado (“life”)

   ‎eduki (“to educate”) → ‎edukado (“education”)

   ‎spiri (“to breathe”) → ‎spirado (“respiration”)

   ‎amuzi (“to amuse”) → ‎amuzado (“amusement”)

3. (nominal suffix with nominal root) -ado simple action of the verb without connotation of duration

   ‎krono (“a crown”) → ‎kronado (“a coronation”)

Derived terms

Esperanto terms interfixed with -ad-

-ada

ade

-adi

-ado

amado

adasismo

ĉifrado

drinkado

eliminado

kordofrapado

lernadi

modifadi

piedpilkado

popolsurfado

presado

produktadrimedoj

rakontado

readaptado

rigardadi

seksumado

teleportado

tirado

toreado

• ada (“continual”)
• adasismo (“suffix rhyme”)
• ade (“continually, consistently”)