LATIN DICTIONARYLexicon Latīnum
verbthird (-iō variant) conjugation, no supine stem, impersonal in the passive

perfugiō

perfugiō (present infinitive perfugere, perfect active perfūgī)
Classical[pɛrˈfʊ.ɡi.oː]Ecclesiastical[perˈfuː.d͡ʒi.o]

Meaning

  1. impersonalto flee or desert
    Eo postquam Caesar pervenit, obsides, arma, servos qui ad eos perfugissent, poposcit.When Caesar arrived at that place, he demanded hostages, their arms, and the slaves who had deserted to them.c. 52 BCE, Julius Caesar, Commentarii de bello Gallico 1.27
  2. impersonalto take refuge

Latīnē defined in Latin in our graded readers

fugiēns trānseō ad hostem
desert, flee over
perfugiō -ere — in De Bello Gallico I, ch. 15

Conjugation

active indicative
formpresentimperfectfutureperfectpluperfectfut. perfect
1st sg.perfugiōperfugiēbamperfugiamperfūgīperfūgeramperfūgerō
2nd sg.perfugisperfugiēbāsperfugiēsperfūgistīperfūgerāsperfūgeris
3rd sg.perfugitperfugiēbatperfugietperfūgitperfūgeratperfūgerit
1st pl.perfugimusperfugiēbāmusperfugiēmusperfūgimusperfūgerāmusperfūgerimus
2nd pl.perfugitisperfugiēbātisperfugiētisperfūgistisperfūgerātisperfūgeritis
3rd pl.perfugiuntperfugiēbantperfugientperfūgērunt
perfūgēre
perfūgerantperfūgerint
active subjunctive
active subjunctive
formpresentimperfectperfectpluperfect
1st sg.perfugiamperfugeremperfūgerimperfūgissem
2nd sg.perfugiāsperfugerēsperfūgerīsperfūgissēs
3rd sg.perfugiatperfugeretperfūgeritperfūgisset
1st pl.perfugiāmusperfugerēmusperfūgerīmusperfūgissēmus
2nd pl.perfugiātisperfugerētisperfūgerītisperfūgissētis
3rd pl.perfugiantperfugerentperfūgerintperfūgissent
passive indicative
passive indicative
formpresentimperfectfuture
1st sg.———
2nd sg.———
3rd sg.perfugiturperfugiēbāturperfugiētur
1st pl.———
2nd pl.———
3rd pl.———
passive subjunctive
passive subjunctive
formpresentimperfect
1st sg.——
2nd sg.——
3rd sg.perfugiāturperfugerētur
1st pl.——
2nd pl.——
3rd pl.——
imperative
imperative
formactivepassive
pres. 2nd sg.perfuge—
pres. 2nd pl.perfugite—
fut. 2nd sg.perfugitō—
fut. 3rd sg.perfugitōperfugitor
fut. 2nd pl.perfugitōte—
fut. 3rd pl.perfugiuntō—
infinitives & participles
infinitives & participles
formactivepassive
present infinitiveperfugereperfugī
perfect infinitiveperfūgisse—
present participleperfugiēns—
future participle—perfugiendum
perfugiundum
gerundperfugiendī, perfugiendō, perfugiendum

per-fŭgĭo, fūgi, 3, v. n.,
I. to flee to a place for refuge.
I. Lit.
A. In gen. (rare; ap. Cic. Pis. 36, 89, profugisti is the correct reading.; cf. confugio): ad aliquem, Liv. 2, 9: Corinthum, Nep. Dion. 5, 1: Bactra, Curt. 6, 6, 22: ad tribunal, Tac. A. 1, 32: in Capitolium, id. ib. 3, 36.—
B. In partic., to go over or desert to the enemy (class.): nemo a Caesare ad Pompeium transierat, cum paene cotidie a Pompeio ad Caesarem perfugerent, Caes. B. C. 3, 61; Cic. Balb. 9, 24: servos, qui ad eos perfugissent (al. profugissent), poposcit, Caes. B. G. 1, 27, 3.—
II. Trop., to take refuge in any thing (post-class.): qui cum in culpā et in maleficio revicti sunt, perfugiunt ad fati necessitatem, Gell. 6, 2, 13: in fidem alicujus, Liv. 28, 7.

Origins

From per- + fugiō.

Quick answers

What does perfugiō mean in Latin?
perfugiō, a verb, means “to flee or desert; to take refuge”.
What are the principal parts of perfugiō?
perfugiō, perfugere (third (-iō variant) conjugation, no supine stem, impersonal in the passive).
How do you pronounce perfugiō?
In classical Latin, [pɛrˈfʊ.ɡi.oː]; in ecclesiastical (church) Latin, [perˈfuː.d͡ʒi.o].