σθενοβλαβής
From LSJ
οἱ Κυρηναϊκοὶ δόξαις ἐχρῶντο τοιαύταις: δύο πάθη ὑφίσταντο, πόνον καὶ ἡδονήν, τὴν μὲν λείαν κίνησιν, τὴν ἡδονήν, τὸν δὲ πόνον τραχεῖαν κίνησιν → the Cyrenaics admitted two sensations, pain and pleasure, the one consisting in a smooth motion, pleasure, the other a rough motion, pain
English (LSJ)
ές,
A hurting the strength, weakening, Opp.C.2.82.
German (Pape)
[Seite 876] ές, der Kraft schadend, dah. entkräftend, Opp. Cyn. 2, 82.