Proto-Yenisseian: *tu-
Meaning: a demonstrative stem
Ket: tuda6 (Bak., Sur.) "this" (n., f.), tūdǝ1 "this" (m.), tuna "these"; Kur. tuŕa6 "this" (n., f.); tūŕǝ "this" (m.), tuna "these"; South. tuŕ "this", tuna "these"; tɔʔn "thus"; tunbiś5 "such"; tuńíĺ ( < tuńi:ĺ3) "thence"; North. tuśɛ́ŋ, South. tuśáŋ "there"
Yug: tuda6 "this" (n., f.); tūt "this" (m.); tuńa5,6 "these"; tɔʔn "thus"; tunbiś5 "such"; tuńъ:r3 "thence"; tusɛ́ŋ / tusɛ:hŋ4 "there"
Arin: itaŋ (М., Сл., Кл.) "they"
Pumpokol: á-du (Сл.) "he"
Comments: ССЕ 288. Werner 2, 294 (separates Ket-Yug *tu- from tɔʔn 'thus, so' and from the Arin and Pump. forms - which I think is hardly justified).