αἱμόστασις
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
English (LSJ)
εως, ἡ,
A styptic, Androm. ap. Gal.13.76:=σύμφυτον, prob. in Ps.-Dsc. 4.9.