ἀνδράδελφος
From LSJ
Αὐρήλιοι... πατρὶ... καὶ μητρὶ... μνήμης χάριν → The Aurelii, in memory of their father and mother (inscription from Aizonai, Phrygia)
English (LSJ)
ὁ,
A husband's brother, brother-in-law, Suid.:—fem. ἀνδρ-αδέλφη, ἡ, husband's sister, Eust.392.2.
Greek (Liddell-Scott)
ἀνδράδελφος: [ᾰ], ὁ, ὁ τοῦ ἀνδρὸς (τοῦ συζύγου) ἀδελφός, - ἡ ἀνδράδελφος, ἡ ἀδελφὴ τοῦ συζύγου, Σουΐδ., ἐν λέξει γαλόῳ, ὁ Εὐστάθιος ὅμως (Ἰλ. 392. 2) καὶ ὁ Ζωναρᾶς (419) ἔχουσιν ἀνδραδέλφη ὡς καὶ νῦν· ὡς πρὸς τὸν τονισμὸν τῆς λέξεως ἴδε Chandler § 193 καὶ 425.