Proto-Indo-European *kʷís

→ Middle English whanne (derived)

→ Middle English whos (mention)

→ Spanish cuanto (mention)

→ Spanish cuánto (mention)

→ Ancient Greek ἄττα (derived)

→ Gujarati કેટલું (mention)

→ Hindi कितना (mention)

→ Hittite 𒆪𒅖 (inherited)

→ Hittite 𒆪𒉿𒁉 (inherited)

→ Latin quis (inherited)

→ Latin quantus (mention)

→ Latin cuius (inherited)

→ Ladin chi (inherited)

→ Sanskrit किम् (inherited)

→ Sanskrit कदा (mention)

→ Albanian mos (mention)

→ Albanian s' (derived)

→ Old Armenian իր (cognate)

→ Phrygian κιν (mention)