προσθετικός
From LSJ
Ὑπὸ γὰρ λόγων ὁ νοῦς μετεωρίζεται ἐπαίρεταί τ' ἄνθρωπος → Borne up by words, the mind soars aloft, and we reach the heights (Aristophanes, Birds 1447f.)
English (LSJ)
ή, όν,
A adding: repletive, opp. ἀφαιρετικός, Herod.Med. ap. Orib.7.8.2; giving additional power, furthering, δύναμις π. εἰς τὸ τίκτειν Porph. ap. Eus.PE3.11; nutritive, βοηθήματα Gal.14.694. Adv. -κῶς, θεραπεύειν Herod.Med. ap. Aët.5.129. II Astron., advancing, of planets, ἡμικύκλιον Ptol.Alm.13.2, cf. Tetr.52, Paul.Al.G.1. 2 τροπὴ -ωτέρα adding heat to the sun (cf. πρόσθεσις vi), PMag.Leid.W.10.14.