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avull “steam” <PAlb *abula nēpiš- "sky, heaven"; CLuw tappaš- "heaven";
HierLuw tipas- "heaven" *lew- "dirt, mud"
lutum "dirt, clay, mud"; polluō "I soil...
- Proto-Celtic *yo-
Interrogative pronoun *kʷi-s (m, f), *kʷi-d (n) Hitt. kuiš,
Luw. kuiš, Gk. τίς, Lat. quis, quid, Ir. cia, Eng. hwī/–, OCS čĭto Lyc. tike...