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From prae- +‎ struo.





praestruō (present infinitive praestruere, perfect active praestrūxī, supine praestrūctum); third conjugation

  1. to build or prepare in advance
  2. to arrange or set up in advance
  3. to block or stop up, to make inaccessible or impassable


   Conjugation of praestruō (third conjugation)
indicative singular plural
first second third first second third
active present praestruō praestruis praestruit praestruimus praestruitis praestruunt
imperfect praestruēbam praestruēbās praestruēbat praestruēbāmus praestruēbātis praestruēbant
future praestruam praestruēs praestruet praestruēmus praestruētis praestruent
perfect praestrūxī praestrūxistī praestrūxit praestrūximus praestrūxistis praestrūxērunt,
pluperfect praestrūxeram praestrūxerās praestrūxerat praestrūxerāmus praestrūxerātis praestrūxerant
future perfect praestrūxerō praestrūxeris praestrūxerit praestrūxerimus praestrūxeritis praestrūxerint
passive present praestruor praestrueris,
praestruitur praestruimur praestruiminī praestruuntur
imperfect praestruēbar praestruēbāris,
praestruēbātur praestruēbāmur praestruēbāminī praestruēbantur
future praestruar praestruēris,
praestruētur praestruēmur praestruēminī praestruentur
perfect praestrūctus + present active indicative of sum
pluperfect praestrūctus + imperfect active indicative of sum
future perfect praestrūctus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present praestruam praestruās praestruat praestruāmus praestruātis praestruant
imperfect praestruerem praestruerēs praestrueret praestruerēmus praestruerētis praestruerent
perfect praestrūxerim praestrūxerīs praestrūxerit praestrūxerīmus praestrūxerītis praestrūxerint
pluperfect praestrūxissem praestrūxissēs praestrūxisset praestrūxissēmus praestrūxissētis praestrūxissent
passive present praestruar praestruāris,
praestruātur praestruāmur praestruāminī praestruantur
imperfect praestruerer praestruerēris,
praestruerētur praestruerēmur praestruerēminī praestruerentur
perfect praestrūctus + present active subjunctive of sum
pluperfect praestrūctus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present praestrue praestruite
future praestruitō praestruitō praestruitōte praestruuntō
passive present praestruere praestruiminī
future praestruitor praestruitor praestruuntor
non-finite forms active passive
present perfect future present perfect future
infinitives praestruere praestrūxisse praestrūctūrum esse praestruī praestrūctum esse praestrūctum īrī
participles praestruēns praestrūctūrus praestrūctus praestruendus
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
praestruendī praestruendō praestruendum praestruendō praestrūctum praestrūctū


  • praestruo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • praestruo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • praestruo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.