ὑπόφθονος
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)
ον,
A somewhat jealous, only in Adv., ὑποφθόνως ἔχειν πρός τινα behave somewhat jealously towards one, Id.HG7.1.26.