ἀπτώς

ῶτος, ὁ

πίπτω

A. not falling or liable to fall, ἀ. δόλος, of a wrestler's art, Pi. O. 9.92; λόγος Pl. R. 534c; ἀ. ἑστάναι M.Ant. 7.61; ἀ. ἑαυτὸν διατηρεῖν Plu. Comp.Arist.Cat. 2.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project