Northern Kurdish heft

← Avestan 𐬵𐬀𐬞𐬙𐬀 (cognate)

← Persian هفت (cognate)

← Proto-Indo-Iranian *saptá (inherited)

← Proto-Indo-European *septḿ̥ (inherited)

← Proto-Iranian *haptá (inherited)

← Ossetian авд (cognate)

← Pashto اووه (cognate)

→ Central Kurdish حەوت (cognate)

→ Persian هفت (cognate)

→ Judeo-Tat хьэфд (cognate)

→ Pashto اووه (cognate)