Proto-IE: *sme-
Meaning: pron. pers., 1/2/3 pl., du.
Hittite: sumas 'euch', sumes 'ihr', -smas 'euch; ihnen', -smi- 'euer; ihr, leur' (Friedrich 195, 196, 197)
Tokharian: A -m, B -me (PT *-me) 'encl. pron. 1, 2 or 3 p. pl.' (Adams 467)
Old Indian: a-smā- `we' (in acc. asmā́n, instr. asmā́bhis, gen. asmākam etc.)
Avestan: a-hma, poss. a-hma-
Old Greek: lesb. á-mme, dor. hā-mé; hǟ-méas, hǟ-mā̃s, hǟ-mẹ̄̃s; poss. lesb. á-mmo-, dor, hā-mó-; poss. hǟ-mé-ter-o-; acc. lesb. ǘmme, dor. hǖmé, nom. lesb. ǘmmes, dor. hǖmés, usw.
Germanic: Got izwis 'euch', izwara 'euer', OIsl yδr, yδvar ds. usw.
Celtic: OIr si, sissi 'ihr', uaib 'euch' < ō-su̯i, Cymr usw. chwi 'ihr'; Ir far n. 'euer', indala-sar 'der eine von euch beiden', sethar 'euer'
Russ. meaning: мн. ч.
