ἔθω (of the present only the participle ἐθῶν is used, in Homer): perfect εἴωθα, to be accustomed, used, wont; (pluperfect as imperfect (Winer's Grammar, 274 (257f)) ἐιώθειν; followed by an infinitive: Mat_27:15; Mar_10:1. Participle τό εἰωθός in a passive sense, that which is wont; usage, custom: κατά τό εἰωθός τίνι, as one's custom is, as is his wont, Luk_4:16; Act_17:2. STRONGS NT 1486: εἴωθαεἴωθα, see ἔθω.

εἴωθα eiōtha 4x perfect of an obsolete pres ent ἔθω , pluperfect is εἰώθειν , to be accustomed, to be usual, Mat_27:15 ; Mar_10:1 ; Luk_4:16 ; Act_17:2

ἔθω , pf . with Pres . sense εἴωθα , [in LXX : Num_24:1 ( H6471 ), Da LXX Sus 1:13, Sir_37:14 , 4Ma_1:12 * ;] to be accustomed, wont: Mat_27:15 , Mar_10:1 ; ptcp ., τὸ εἰωθὸς , custom: κατὰ τὸ εἰ . (Nu, l.c .), Luk_4:16 , Act_17:2 .† εἴωθα , see ἔθω .

ἔθω / εἴωθα [page 181] P Hib I. 77 .5 (B.C. 249) καὶ πρότερον εἰώθει , P Oxy VII. 1024 .34 (A.D. 129) ἣν καταθήσεται εἰς τὴν γῆν ὑγιῶς ἐπακολουθούντων τῶν εἰωθότων , he shall sow it on the land in good faith under the observance of the usual officers (Ed.), P Giss I. 80 .6 (iii/A.D.) τὰ [π ]εριστερίδι [α καὶ ὀ ]ρνυθάρια , ἃ οὐκ ἤωθα ἐσθεῖν ( l. ἐσθίειν ), πέμ [ψον , P Thead 19 .5 (iv/A.D.) τοὺς ἀδικουμένους ὀρφανο [ύς ], ἡγέμων δέσπστα , ἐκδικεῖν εἴωθεν τὸ μεγαλεῖον τὸ σόν .

ἔθω "to be accustomed": the pres. only in partic., κακὰ πόλλ᾽ ἔρδεσκεν ἔθων much ill he wrought "by custom", i. e. was accustomed to work, Il. ; otherwise, perf. εἴωθα, ionic ἔωθα is used as a pres., and plup. εἰώθειν, ionic ἐώθεα, as imperf.:— "to be wont or accustomed, be in the habit", c. inf., Il. , Hdt. , etc.:—in part. absol. "accustomed, customary, usual", Il. , Soph. , etc.; in neut., κατὰ τὸ εἰωθός according to "custom", παρὰ τὸ εἰωθός contrary to "custom", Thuc.

ἔθω, pf. with present sense εἴωθα, [in LXX: Num.24:1 (כְּפַעַם־בְּפַעַם), Dan LXX Su 13, Sir.37:14, 4Ma.1:12 * ;] to be accustomed, wont: Mat.27:15, Mrk.10:1; ptcp., τὸ εἰθός, custom: κατὰ τὸ εἰ. (Nu, l.with), Luk.4:16, Act.17:2.† (AS)