English ennui

← English annoy (doublet)

← French ennui (borrowed)

← French ennuyer (cognate)

← Old French enui (derived)

← Old French enuier (mention)

← Proto-Indo-European *h₃ed- (root)

← Latin [[in]] [[odium|odiō]] (derived)

→ English annoy (doublet)

→ Middle English anoy (cognate)