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See also: térreo



Borrowed from Latin terreus (earthy). Surface analysis: terr(a) (ground, earth) +‎ -eo (-ous, derivational suffix).


  • IPA(key): /ˈtɛr.re.o/, [ˈt̪ɛr̺ːe.o], [ˈt̪ɛr̺ːe̯o]
  • Hyphenation: tèr‧re‧o


terreo (feminine singular terrea, masculine plural terrei, feminine plural terree)

  1. (rare) earthy; resembling ground or soil
  2. (by extension, usually referred to the face) pale, ashen




From Proto-Indo-European *tres-, extended form of Proto-Indo-European *ter-. Cognate with Avestan 𐬙𐬭𐬆𐬭𐬆𐬯𐬀𐬌𐬙𐬌 (trərəsaiti), Ancient Greek τρέω (tréō), Old Irish tarrach, Lithuanian trišu, Latvian trisēt, Old Church Slavonic трѧсти (tręsti), Sanskrit त्रसति (trasati).



terreō (present infinitive terrēre, perfect active terruī, supine territum); second conjugation

  1. I frighten, terrify, alarm
  2. I deter by terror, scare (away)


   Conjugation of terreo (second conjugation)
indicative singular plural
first second third first second third
active present terreō terrēs terret terrēmus terrētis terrent
imperfect terrēbam terrēbās terrēbat terrēbāmus terrēbātis terrēbant
future terrēbō terrēbis terrēbit terrēbimus terrēbitis terrēbunt
perfect terruī terruistī terruit terruimus terruistis terruērunt, terruēre
pluperfect terrueram terruerās terruerat terruerāmus terruerātis terruerant
future perfect terruerō terrueris terruerit terruerimus terrueritis terruerint
passive present terreor terrēris, terrēre terrētur terrēmur terrēminī terrentur
imperfect terrēbar terrēbāris, terrēbāre terrēbātur terrēbāmur terrēbāminī terrēbantur
future terrēbor terrēberis, terrēbere terrēbitur terrēbimur terrēbiminī terrēbuntur
perfect territus + present active indicative of sum
pluperfect territus + imperfect active indicative of sum
future perfect territus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present terream terreās terreat terreāmus terreātis terreant
imperfect terrērem terrērēs terrēret terrērēmus terrērētis terrērent
perfect terruerim terruerīs terruerit terruerīmus terruerītis terruerint
pluperfect terruissem terruissēs terruisset terruissēmus terruissētis terruissent
passive present terrear terreāris, terreāre terreātur terreāmur terreāminī terreantur
imperfect terrērer terrērēris, terrērēre terrērētur terrērēmur terrērēminī terrērentur
perfect territus + present active subjunctive of sum
pluperfect territus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present terrē terrēte
future terrētō terrētō terrētōte terrentō
passive present terrēre terrēminī
future terrētor terrētor terrentor
non-finite forms active passive
present perfect future present perfect future
infinitives terrēre terruisse territūrus esse terrērī territus esse territum īrī
participles terrēns territūrus territus terrendus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
terrēre terrendī terrendō terrendum territum territū

Derived terms[edit]