Proto-IE: *(a)swel-
Meaning: brother-in-law
Old Greek: pl. aélioi̯, ai̯élioi̯ 'brothers-in-law, whose wives are sisters' Eust., EM, aílioi = sǘŋgambroi Hsch.; pl. eilíones 'id' Pollux (LS 486: Prob. metri gr. for *elíones, cf. aélioi)
Russ. meaning: свояк