Proto-Indo-European *h₂et-

→ English biennium (mention)

→ Catalan any (mention)

→ Spanish año (mention)

→ French an (mention)

→ Ancient Greek ἀτάρ (derived)

→ Italian anno (mention)

→ Latin at (inherited)

→ Latin annus (mention)

→ Latvian atāls (derived)

→ Old Spanish anno (mention)

→ Old Prussian attolis (derived)

→ Portuguese ano (mention)

→ Romanian an (mention)

→ Tarantino anne (mention)

→ Istro-Romanian ån (mention)

→ Tocharian B atiyo (derived)

→ Tocharian A āti (derived)