ἀρραφής
From LSJ
τὸν αὐτὸν ἔρανον ἀποδοῦναι → pay him back in his own coin, repay him in his own coin, pay someone back in their own coin, pay back in someone's own coin, give tit for tat, pay back in kind
English (LSJ)
ές, = sq. 2, A κεφαλαί Arat.Iatr.ap.Poll.2.38.
Greek (Liddell-Scott)
ἀρραφής: -ές, = τῷ ἑπ., ἄνευ τοῦ πριονωτοῦ τοῦ κρανίου, ἄνευ ῥαφῶν τῶν ὀστῶν τοῦ κρανίου, ἀρραφέες κεφαλαὶ Ἄρατ. παρὰ Πολυδ. Β΄, 38.
Spanish (DGE)
(ἀρρᾰφής) -ές
medic. que no tiene suturas πολλαὶ δ' ἀρραφέες κεφαλαί Arat.SHell.95.