- εἰς
- εἰςGrammatical information: prep., adv.Meaning: `towards' (ep. Il., Ion., Att., Lesb.),Other forms: ep. Ion. also ἐς, \< ἐνς (Cret., Arg.; details in Schwyzer-Debrunner 455f.);Origin: IE [Indo-European] [311] *h₁en `in'Etymology: beside ἐν as ἐξ beside ἐκ and perhaps formed after this opposite (Lit. in Schwyzer-Debrunner l. c.). - From there εἴσ-ω, ἔσ-ω adv. `towards, in' (Il.) with added -ω (cf. ἄνω s. ἀνά) and analogical retention of -σ- (sezt Lasso de la Vega, Emerita 22, 93; Schwyzer 550 n. 7).Page in Frisk: 1,471
Greek-English etymological dictionary (Ελληνικά-Αγγλικά ετυμολογική λεξικό). Robert S.P.. 2010.