Lexical Definition

‎διατελέω‎ diateléō (dee-at-el-eh'-o) to continue G:V
from ‎διά‎ and ‎τελέω‎

continue.

Usage: 4 forms in 4 verses
Form Translated As     In Verse(s)
διετελείτε you completed LXX.Deut.9.7
διετέλεσαν continue LXX.Jer.20.18
διετέλεσα I continue LXX.Jer.20.7
διατελεῖτε you continue Acts.27.33

Abbott-Smith

δια-τελέω, -ῶ [in LXX: De 9:7 (היה), Je 20:7, 18 (כּלה), Es 8:13, II Mac 5:27 * ;]
prop. trans., to accomplish; used with ellipse of obj. as intrans. (Bl., § 81, 1), and joined to participles (in Ac, l.c., to adj.; v. Bl., § 73, 4) with adverbial sense (= continuously), to continue: Ac 27:33.†

Abbott-Smith References

Book Refs
Deuteronomy 9:7
Ezra 8:13
Jeremiah 20:7 · 20:18
Acts 27:33

Liddell-Scott-Jones

διατελέω-έω,

future -τελέσω, Attic dialect -τελῶ: perfect διατετέλεκα [Refs 5th c.BC+]:—bring quite to an end, accomplish, ἐπεί περ ἠρξάμην, διατελέωέσαι βούλομαι [Refs 5th c.BC+]; so of Time, διατετελεκὼς τὰ ἐν τοῖς ἐφήβοις δέκα ἔτη [Refs 5th c.BC+]

__II absolutely,
__II.1 mostly with participle, continue being or doing so and so, τὸ λοιπὸν τῆς ζόης δ. ἐόντα τυφλόν [Refs 5th c.BC+]; διετέλεσας πειρώμενος you have been trying all along, [Refs] continue zealous, [Refs 5th c.BC+]
__II.2 with no participle or adjective, continue, live, δ. μετ᾽ ἀλλήλων διὰ βίου [Refs 5th c.BC+]
__II.2.b generally, continue, persevere, διατέλει ὥσπερ ἤρξω [Refs 5th c.BC+]; of things, continue, ἐὰν αἱ μιμήσεις ἐκ νέων πόρρω δ. [Refs 5th c.BC+]