- σύ
- σύGrammatical information: pron.Meaning: `thou' (Il.)Other forms: Dor. (also Aeol. gramm.) τύ, Hom. also τύνη, Lac. τούνη. Obl. casus: acc. σέ, Dor. (also Aeol. gramm.) τέ, Dor. also τύ, Cret. τϜέ. Dat. σοί, encl. τοι (Il., Att. = `indeed'), Dor. τοί, also τίν, Hom. τεΐν. Gen. Hom. σεῖο, Hom. Ion. σέο, σεῦ, Att. σοῦ, Dor. τέο, τέος, τεῦς etc. Besides encl. σε, σοι, σου etc.Derivatives: To this through adjectivizing the poss. σός `tuus' (Il.), Dor. Aeol. (also Hom.) τεός, Boeot. τιός.Origin: IE [Indo-European] [1097] *tuH `you'Etymology: Old inherited pronoun with corresponding or similar forms in several languages: nom. Dor. τύ : Lat. tū, Germ., e.g. NHG du, Lith. tù etc. from IE *tū̆; for this Ion. Att. etc. σύ after σέ, σοί; τύνη like ἐγώνη (s. ἐγώ). Acc. Dor. τέ : OLat. tēd (explanation debated) from IE *tē̆; Att. etc. σέ \< τϜέ (= Cret.): Skt. tvā from IE *tu̯ē̆. Gen. (innovated) Dor. τέο as ἐμέο (s. ἐμέ): Skt. táva from IE *teu̯e; Hom. etc. σέο after σοί, σεῖο as ἐμεῖο (s. ἐμέ); on Dor. τέος, Hom. σέθεν etc. cf. on ἐμέ. -- Poss. τεός \< *τεϜός, σός \< *τϜός : Lat. tovos, tuus, Skt. t(u)vá- etc.: IE *t(e)u̯os. -- Further details w. rich lit. in Schwyzer 600ff.; also WP. 1, 745, Pok. 1097f., W.-Hofmann s. tū usw.Page in Frisk: 2,817
Greek-English etymological dictionary (Ελληνικά-Αγγλικά ετυμολογική λεξικό). Robert S.P.. 2010.