diglottism

noun

noun

UK /daɪˈɡlɒtɪzəm/

Etymology From Ancient Greek δίγλωττος (díglōttos, “speaking two languages”), from δι- (di-, “two”) + γλῶττα (glôtta, “tongue”).

Usually bilingualism

there are two of these diglottisms in a single line1871, John Earle, The Philology of the English Tongue:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.