Irish eo

← Proto-Celtic *esoxs (inherited)

← Proto-Celtic *iwos (inherited)

← Welsh eog (cognate)

← Welsh yw (cognate)

← English salmon (link)

← English yew (cognate)

← Proto-Indo-European *h₁eyHweh₂ (inherited)

← Old Irish eó (inherited)

← Old Irish eó (inherited)

← Middle Welsh ehawc (cognate)

→ Irish eotrófach (confix)

→ Irish eostatach (prefix)

→ Ancient Greek ἴσοξ (cognate)

→ Latin esox (cognate)