French ester

← German Essig-Äther (mention)

← English ester (link)

← French estant (mention)

← French esté (mention)

← French être (link)

← Old French ester (inherited)

← Proto-Indo-European *steh₂- (inherited)

← Latin stō (inherited)

→ French stage (suffix)

→ French estérifier (suffix)

→ Romanian ester (borrowed)