"convent of friars, monastery," 1530s, from French, from Old French frarie, from Medieval Latin fratria "a fraternity," from frater "brother" (from PIE root *bhrater- "brother").
Entries linking to friary
*bhrater-
bhrāter-, Proto-Indo-European root meaning "brother."
It forms all or part of: br'er; brethren; brother; bully (n.); confrere; fraternal; fraternity; fraternize; fratricide; friar; friary; pal.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit bhrátár-, Old Persian brata, Greek phratér, Latin frater, Old Irish brathir, Welsh brawd, Lithuanian broterėlis, Old Prussian brati, Old Church Slavonic bratru, Czech bratr, Polish brat, Russian bratŭ, Kurdish bera; Old English broþor, Old Norse broðir, German Bruder, Gothic bróþar.