Meaning

noun the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment

noun the quality of being commonplace and ordinary

originEtymology tree English mundane Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English mundanity From mundane + -ity (“quality of”).

Etymology from Wiktionary, CC BY-SA 3.0