LSJ
τά, (< λεία) first spoils in war, and, generally, firstfruits, Lyc. 298, f.l. for προτέλεια in J. AJ 4.8.22; τὰ π. τῶν ἐμαυτοῦ σώστρων Jul. Ep. 184; τῶν σῶν δὲ γονάτων πρωτόλεια θιγγάνω, as the first act of my supplication, E. Or. 382; sg., = ἀπαρχή, Phot. ; — as Adj., τὸ πρωτόλειον στέφος Lyc. 1228.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)