LSJ
ον, = ἀκοπίαστος, πρόνοια Stoic. 1.125, cf. IG 2.630b, Vett.Val. 263.17, PMagPar. 1.1127; ἀ. πίστεις proofs which a writer never tires of repeating, Phld. Mus. p. 40 K. Adv. -τως, ἀπολαύειν Id. Piet. 15, LXX Wi. 16.20.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
never tires of (MT)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars