Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.to be accustomed, to be wont: pres. only in part., κακὰ πόλλ᾽ ἕρδεσκεν ἔθων much ill he wrought after his wont, Il.9.540; “οὓς παῖδες ἐριδμαίνωσιν ἔθοντες” 16.260 (in these passages some Gramm. expld. ἔθων as, = βλάπτων, φθείρων (and it was so used by Call.Fr.108), and (in 16.260) ἐρεθίζων, cf. ἔθει: φθείρει, ἐρεθίζει, Hsch., ἐθρίς, ἴθρις): pf. “εἴωθα” Il.5.766, etc., Ep. and Ion. “ἔωθα” 8.408, etc., is used as pres.; plpf. εἰώθειν, Ion. ἐώθεα, as impf.; part. εἰωθώς, Ion. ἐωθώς, also in Archipp.48, Araros19; Dor. 3pl. pf. “ἐθώκατι” Hsch.: mostly c. inf., Il.5.766, Hdt.3.31, Th.1.99, etc.: impers., ὡς εἴωθε as is the custom, Ar.Ec.282; “ὥσπερ εἰώθει” Plu.Sull.9, etc.: freq. abs. in part., of persons, accustomed, customary, usual, “ἡνιόχῳ εἰωθότι” Il.5.231; ὑμῖν . . τοῖς εἰώθοσιν who are used [to hear me], S.Ph.939; οὐκ ἐωθώς praeter morem, Hdt.1.111; of things, “τὰ ἐωθότα νοήματα” Id.3.80; “ἐν τῷ εἰ. τρόπῳ” Pl.Ap.27b, etc.: freq. in neut., παρὰ τὸ εἰ. contrary to custom, Th.4.17,55; τὰ εἰ. ordinary things, Ar.Ra.1, Th.2.51, etc.