LSJ
εως, ἡ, issuing forth, Sm. Ex. 21.7, al., Olymp. in Mete. 147.23; ἐκ τοῦ παλατίου Tz. H. 6.491; progress, procession, π. θριαμβική Eust. 1292.16. f.l. for προαίρεσις in Luc. Prom. Es 6. παραμύθιον τῆς π. μου a reward for my trouble, PFlor. 332.20 (ii AD).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)