See also: Abancourtois French Etymology From Abancourt + -ois. Pronunciation IPA(key): /a.bɑ̃.kuʁ.twa/ Audio:(file) Adjective abancourtois (feminine abancourtoise, masculine plural abancourtois, feminine plural abancourtoises) (relational) of AbancourtWikiwand - on Seamless Wikipedia browsing. On steroids.