French accoutumer

← Spanish acostumbrarse (cognate)

← French a- (affix)

← French coutume (affix)

← French -er (affix)

← Old French acostumer (cognate)

← Old French acustumer (mention)

← Interlingua accostumar (cognate)

← Ido kustumar (cognate)

← Portuguese acostumar (cognate)

→ French désaccoutumer (prefix)

→ Louisiana Creole French coutime (inherited)