Proto-Celtic *esoxs

→ Welsh eog (inherited)

→ Spanish esguín (derived)

→ Basque izokin (derived)

→ Irish eo (inherited)

→ Galician irce (derived)

→ Ancient Greek ἴσοξ (derived)

→ Latin esox (derived)

→ Translingual Esox (derived)

→ Old Irish eó (inherited)