avunculaire

uncle; avuncular; aunt; materteral; avunculate (pertaining to a society where the avunculate is of central importance)

“une société avunculaire” — an avunculate society

From Medieval Latin avunculāris, ultimately from Classical Latin avunculus (“maternal uncle”) + -āris (“-ar”). According to the Trésor de la langue française informatisé, the sense “relating to an aunt” (“materteral”) results from a reanalysis of the adjective as being based on both Vulgar Latin avunculus (“uncle”) and Late Latin avuncula (“aunt”), the expected French adjective *matertéral being unattested. The 9th edition of the Dictionnaire de l'Académie française likewise defines the adjectiv