English eau

← Old English ēa (inherited)

← English aqua (doublet)

← English ea (mention)

← English yeo (mention)

← Middle English ea (inherited)

← Middle English eo (mention)

← French eau (cognate)

← Proto-Germanic *ahwō (inherited)

← Proto-Indo-European *h₂ekʷeh₂ (inherited)

→ English ea (link)

→ English yeo (mention)