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Proto-Indo-European *nókʷts

→ English night (inherited)
→ English nocturnal (inherited)
→ English negro (derived)
→ English notturno (derived)
→ English noctule (derived)
→ English pernoctation (derived)
→ Avestan 𐬥𐬀𐬑𐬙𐬎 (inherited)
→ Afrikaans nag (inherited)
→ Asturian nueche (inherited)
→ Belarusian ноч (inherited)
→ Bulgarian нощ (inherited)
→ Catalan nit (inherited)
→ Czech noc (inherited)
→ Kashubian noc (inherited)
→ Old Church Slavonic нощь (derived)
→ Welsh nos (derived(cy/kw))
→ Welsh noz (derived(cy/br))
→ Welsh neithiwr (inherited)
→ Danish nat (inherited)
→ German Nacht (inherited)
→ Dalmatian nuot (inherited)
→ Lower Sorbian noc (inherited)
→ Middle Dutch nacht (inherited)
→ Greek νύχτα (mention)
→ Middle English nighte (inherited)
→ Spanish noche (inherited)
→ Persian نزم (mention)
→ Faroese nátt (derived)
→ French nuit (inherited)
→ Franco-Provençal nuet (inherited)
→ North Frisian nåcht (derived)
→ Friulian gnot (inherited)
→ West Frisian nacht (inherited)
→ Galician noite (inherited)
→ Middle Low German nacht (inherited)
→ Gothic 𐌽𐌰𐌷𐍄𐍃 (inherited)
→ Ancient Greek νύξ (inherited)
→ Hittite 𒉈𒆪𒊻 (mention)
→ Hunsrik Nacht (inherited)
→ Hunsrik naacht (inherited)
→ Upper Sorbian nóc (inherited)
→ Icelandic nótt (inherited)
→ Istriot nuoto (inherited)
→ Italian notte (inherited)
→ Italian notturno (inherited)
→ Italian nottola (derived)