ὑποτρόπιος
From LSJ
Ῥῦσέ με δεινῶν νοσημάτων, ἱερώτατε, ἱερωσύνην συναρμόσας ἐν χαρᾷ και ἐπιστήμης τὸ πολύτιμον κεφάλαιον → Deliver me from grievous afflictions, most holy one, joining sanctity together in joy with the precious fountainhead of knowledge
English (LSJ)
a (Ep. η), ον, (τρόπις) under the keel, Opp.H.1.224, Orph.A.267.
Greek (Liddell-Scott)
ὑποτρόπιος: -α, -ον, ὁ ὑπὸ τὴν τρόπιν, Ὀππ. Ἀλ. 1. 224, Ὀρφ. Ἀργ. 269.