A.brother, Od.8.585, IG9(1).867.6 (Corc., prob. vi B.C.), etc.; esp. of those born from the same mother, “κ. καὶ ὄπατρον” Il.11.257: later as fem., sister, τώδε τὼ κασιγνήτω these two sisters, S.El.977, cf. Ps.-Luc.Philopatr.11: in more general sense, cousin, “κ. τε ἔται τε” Il.16.456, cf. 15.545: Astrol., Gemini, Doroth. ap. Heph.Astr.3.36.
II. as Adj., κασίγνητος, η, ον, brotherly, sisterly, “κασίγνητον κάρα” S.Ant.899,915,El.1164, dub. l. in E.Or.294; κασιγνήτοιο φόνοιο a brother's murder, Il.9.567. (Mostly poet.; also Aeol., Sapph.Supp.1.2 (prob.), IG12(2).526d19 (Eresus), and Cypr., Inscr.Cypr.135.3 H. (Idalion): Thess. κατίγνειτος IG9(2).894 (Larissa).)
