διατελής

ές, Adv.
A. continuous, incessant, βρονταί S. OC 1514; ever-flowing, ὕδατα Ael. VH 13.1; permanent, τυραννίδες Pl. R. 618a; perpetual, ἀρετή IG 7.2509 (Thebes). (διὰ τέλους serves as the Adv.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project