ἀκοπίαστος

ον, Adv.

κοπιάω

A. not wearying, ὁδός Arist. Mu. 391a12 (v.l. ‐ατος).
II. untiring, unwearied, φῶς ἡλίου Herm. ap. Stob. 1.49.44. Adv. ‐άστως Sch.S. Aj. 852.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project