Proto-IE: *s(w)ek's, *ks(w)ek's (Gr h-, ks-)
Meaning: num.: six
Tokharian: A ṣäk, B ṣkas (PT *ṣ(w')äkä(s)) 'six' (Adams 664)
Old Indian: ṣáṭ (ṣáṣ-) `six'
Avestan: xšvaš
Armenian: veсh
Old Greek: héks, boeot. heks, lak., kret., delph., pamph. weks; kséstǟ-s m. (late) 'sexetarius ≈ 1 pint; pitcher, cup'
Germanic: *sixs
Latin: sex
Celtic: OIr sē, Cymr usw. chwech
Albanian: ǵaštɛ
Russ. meaning: числ.: шесть
