αἷμα
I. "blood", Hom., etc.; in pl. "streams of blood", Trag.
II. "bloodshed, murder", Aesch., etc.: —ἐφ᾽ αἵματι φεύγειν to avoid trial for "murder" by going into exile, Dem.; so, αἷμα φεύγειν Eur.
III. like Lat. sanguis, blood-relationship, kin, Soph., Hom., etc.; ὁ πρὸς αἵματος one of "the blood or race", Soph.; μητρὸς τῆς ἐμῆς ἐν αἵματι "akin" to her "by blood", Aesch.
Etym. Deriv. uncertain.