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Probably from Proto-Indo-European *(s)kwot-i- (to shake; to thrive) (possibly borrowed from a substrate), and cognate with Lithuanian kùsti (to recover) and Old High German scutten (to shake).[1] Alternatively, from Proto-Indo-European *kʷeh₁t- (to shake) (AHD), and cognate with Ancient Greek πάσσω (pássō), παστός (pastós).





quatiō (present infinitive quatere, supine quassum); third conjugation iō-variant, no perfect stem

  1. to shake, agitate, batter, shatter, demolish, overthrow, rend
    • 29 BCE – 19 BCE, Virgil, Aeneid 2.610–612:
      “‘Neptūnus mūrōs magnōque ēmōta tridentī / fundāmenta quatit, tōtamque ā sēdibus urbem / ēruit; [...].’”
      “‘Neptune, with his giant trident, shakes walls apart from their foundations, and overturns the entire city from its base.’”
  2. to wield, brandish
  3. to move, touch, excite, affect
  4. to vex, harass


   Conjugation of quatiō (third conjugation -variant, no perfect stem)
indicative singular plural
first second third first second third
active present quatiō quatis quatit quatimus quatitis quatiunt
imperfect quatiēbam quatiēbās quatiēbat quatiēbāmus quatiēbātis quatiēbant
future quatiam quatiēs quatiet quatiēmus quatiētis quatient
passive present quatior quateris,
quatitur quatimur quatiminī quatiuntur
imperfect quatiēbar quatiēbāris,
quatiēbātur quatiēbāmur quatiēbāminī quatiēbantur
future quatiar quatiēris,
quatiētur quatiēmur quatiēminī quatientur
perfect quassus + present active indicative of sum
pluperfect quassus + imperfect active indicative of sum
future perfect quassus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present quatiam quatiās quatiat quatiāmus quatiātis quatiant
imperfect quaterem quaterēs quateret quaterēmus quaterētis quaterent
passive present quatiar quatiāris,
quatiātur quatiāmur quatiāminī quatiantur
imperfect quaterer quaterēris,
quaterētur quaterēmur quaterēminī quaterentur
perfect quassus + present active subjunctive of sum
pluperfect quassus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present quate quatite
future quatitō quatitō quatitōte quatiuntō
passive present quatere quatiminī
future quatitor quatitor quatiuntor
non-finite forms active passive
present perfect future present perfect future
infinitives quatere quassūrum esse quatī quassum esse quassum īrī
participles quatiēns quassūrus quassus quatiendus,
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
quatiendī quatiendō quatiendum quatiendō quassum quassū

Derived terms



  1. ^ De Vaan, Michiel (2008) Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 504-5