ὦσις

εως, ἡ
A. = ὤθησις, thrusting, pushing, Hp. Aph. 3.26(pl.); opp. ἕλξις, Arist. Ph. 243a17, de An. 433b25; of an injury to the skull, depression, Gal. ap. Orib. 46.21.1: pl., thrusts, Plu. 2.916d, Procl. in Ti. 1.297 D., al.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project