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From prō- +‎ faciō (make, construct).



prōficiō (present infinitive prōficere, perfect active prōfēcī, supine prōfectum); third conjugation iō-variant, no passive

  1. I advance, make progress.
  2. I benefit, profit, take advantage.
  3. I help, contribute, am useful.
  4. I depart, set out.


   Conjugation of proficio (third conjugation -variant, active only)
indicative singular plural
first second third first second third
active present prōficiō prōficis prōficit prōficimus prōficitis prōficiunt
imperfect prōficiēbam prōficiēbās prōficiēbat prōficiēbāmus prōficiēbātis prōficiēbant
future prōficiam prōficiēs prōficiet prōficiēmus prōficiētis prōficient
perfect prōfēcī prōfēcistī prōfēcit prōfēcimus prōfēcistis prōfēcērunt, prōfēcēre
pluperfect prōfēceram prōfēcerās prōfēcerat prōfēcerāmus prōfēcerātis prōfēcerant
future perfect prōfēcerō prōfēceris prōfēcerit prōfēcerimus prōfēceritis prōfēcerint
subjunctive singular plural
first second third first second third
active present prōficiam prōficiās prōficiat prōficiāmus prōficiātis prōficiant
imperfect prōficerem prōficerēs prōficeret prōficerēmus prōficerētis prōficerent
perfect prōfēcerim prōfēcerīs prōfēcerit prōfēcerīmus prōfēcerītis prōfēcerint
pluperfect prōfēcissem prōfēcissēs prōfēcisset prōfēcissēmus prōfēcissētis prōfēcissent
imperative singular plural
first second third first second third
active present prōfice prōficite
future prōficitō prōficitō prōficitōte prōficiuntō
non-finite forms active passive
present perfect future present perfect future
infinitives prōficere prōfēcisse prōfectūrus esse
participles prōficiēns prōfectūrus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
prōficere prōficiendī prōficiendō prōficiendum prōfectum prōfectū

Derived terms[edit]



  • proficio in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • proficio in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • proficio in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to be brought up in some one's school: e disciplina alicuius profectum esse
    • to make progress in a subject: in aliqua re progressus facere, proficere, progredi
    • I am not dissatisfied with my progress: non me paenitet, quantum profecerim