Meaning

noun sheet glass cut in shapes for windows or doors

noun a panel or section of panels in a wall or door

noun street name for lysergic acid diethylamide

originFrom Middle English pane, pan, from Old French pan, from Latin pannus, from Proto-Indo-European *peh₂n- (“fabric”). Doublet of pagne and pannus.

Etymology from Wiktionary, CC BY-SA 3.0