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Alternative forms[edit]


From Old Latin aestumāre, from Proto-Italic *aistomāō, whose origin is uncertain. Usually explained as aes (copper, bronze) +‎ *temos (cut), so “one who cuts copper”, meaning one in the Roman Republic who mints money. The second element is then from Proto-Indo-European *temh₁- (to cut).

However, De Vaan finds this improbable and instead proposes a connection with Proto-Indo-European *h₂eys- (to seek), found in aeruscō (to beg).[1]



aestimō (present infinitive aestimāre, perfect active aestimāvī, supine aestimātum); first conjugation

  1. to determine the value of something; value, price, rate, appraise, assess; estimate, reckon, consider, judge
  2. to estimate the moral value of something; hold, weigh, value


   Conjugation of aestimō (first conjugation)
indicative singular plural
first second third first second third
active present aestimō aestimās aestimat aestimāmus aestimātis aestimant
imperfect aestimābam aestimābās aestimābat aestimābāmus aestimābātis aestimābant
future aestimābō aestimābis aestimābit aestimābimus aestimābitis aestimābunt
perfect aestimāvī aestimāvistī aestimāvit aestimāvimus aestimāvistis aestimāvērunt,
pluperfect aestimāveram aestimāverās aestimāverat aestimāverāmus aestimāverātis aestimāverant
future perfect aestimāverō aestimāveris aestimāverit aestimāverimus aestimāveritis aestimāverint
passive present aestimor aestimāris,
aestimātur aestimāmur aestimāminī aestimantur
imperfect aestimābar aestimābāris,
aestimābātur aestimābāmur aestimābāminī aestimābantur
future aestimābor aestimāberis,
aestimābitur aestimābimur aestimābiminī aestimābuntur
perfect aestimātus + present active indicative of sum
pluperfect aestimātus + imperfect active indicative of sum
future perfect aestimātus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present aestimem aestimēs aestimet aestimēmus aestimētis aestiment
imperfect aestimārem aestimārēs aestimāret aestimārēmus aestimārētis aestimārent
perfect aestimāverim aestimāverīs aestimāverit aestimāverīmus aestimāverītis aestimāverint
pluperfect aestimāvissem aestimāvissēs aestimāvisset aestimāvissēmus aestimāvissētis aestimāvissent
passive present aestimer aestimēris,
aestimētur aestimēmur aestimēminī aestimentur
imperfect aestimārer aestimārēris,
aestimārētur aestimārēmur aestimārēminī aestimārentur
perfect aestimātus + present active subjunctive of sum
pluperfect aestimātus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present aestimā aestimāte
future aestimātō aestimātō aestimātōte aestimantō
passive present aestimāre aestimāminī
future aestimātor aestimātor aestimantor
non-finite forms active passive
present perfect future present perfect future
infinitives aestimāre aestimāvisse aestimātūrum esse aestimārī aestimātum esse aestimātum īrī
participles aestimāns aestimātūrus aestimātus aestimandus
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
aestimandī aestimandō aestimandum aestimandō aestimātum aestimātū

Derived terms[edit]

Related terms[edit]



  • aestimo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • aestimo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • aestimo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
  • Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[2], London: Macmillan and Co.
    • to measure something by the standard of something else; to make something one's criterion: metiri, ponderare, aestimare, iudicare aliquid (ex) aliqua re
  • Walther von Wartburg (1928–2002), “aestimare”, in Französisches Etymologisches Wörterbuch (in German), volume 24: Refonte A–Aorte, page 230
  • Meyer-Lübke, Wilhelm (1911), “aestimare”, in Romanisches etymologisches Wörterbuch (in German), page 16
  1. ^ De Vaan, Michiel (2008) Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7)‎[1], Leiden, Boston: Brill, →ISBN