English acrimonious

← English acrimony (suffix)

← English ous (suffix)

← French acrimonieux (cognate)

← Proto-Indo-European *h₂eḱ- (root)

← Proto-Indo-European *-went- (cognate)

← Proto-Indo-European *-wont- (mention)

← Proto-Indo-European *-to- (mention)

← Proto-Indo-European *h₂ḱrós (cognate)

← Proto-Indo-European *h₂eḱ- (mention)

← Proto-Indo-European *-rós (mention)

← Proto-Indo-European *-mō (cognate)

← Proto-Indo-European *h₂eḱ- (root)

← Latin ācrimōniōsus (cognate)

← Latin ācrimōnia (mention)

← Latin -ōsus (mention)

← Latin ācer (cognate)

← Latin -mōnia (cognate)

← Latin -mōnium (mention)

→ English acrimoniously (suffix)

→ English acrimoniousness (suffix)

→ English nonacrimonious (prefix)

→ English unacrimonious (prefix)