παρέκ-τᾰσις · parek-tasis — LSJ
stretching out, extension, ἀέρος expanse, Epicur. Ep. 2p.53U. (pl.); χρονικὴ π. S.E. M. 6.57, cf. Theol.Ar. 52 (pl.) ; χρόνου Sor. 2.43; τῶν ἐπισημασιῶν Alex.Philalethes ap. Gal. 7.467.
projection of the false ribs, Ruf. Oss. 25.
lengthening of a syllable, D.H. Comp. 15.