Proto-Indo-European *dʰǵʰyes-

→ English here (derived(en/la))

→ English yester- (inherited)

→ English hesternal (root)

→ English hesternal (derived)

→ Catalan ahir (derived)

→ Welsh ddoe (inherited)

→ Welsh dec'h (inherited(cy/br))

→ German gestern (mention)

→ Greek χθες (mention)

→ Spanish ayer (derived)

→ Persian زاستر (mention)

→ French hier (derived)

→ Friulian îr (derived)

→ Ancient Greek χθές (derived)

→ Italian ieri (derived)

→ Latin heri (derived)

→ Neapolitan ajere (derived)

→ Nepali हिजो (inherited)

→ Norman hièr (mention)

→ Occitan ièr (derived)

→ Pali hiyyo (inherited)

→ Romanian ieri (derived)

→ Old Portuguese eire (inherited)

→ Albanian dje (derived)