Meaning

noun a heavy iron tool with a wooden handle and a curved head that is pointed on both ends

originInherited from Middle English pykeaxe, pecaxe, pyke exe (“pickaxe”), an alteration (due to folk etymology association with pick and axe) of Middle English pikeyse, pikeys, pykois, from Anglo-Norman *pikeis, Old French picois, pecois, from Latin picōsa (“pickaxe”), from picca, ultimately from Proto-West Germanic *pīk (“sharp point, pike”). Doublet of pique and pike.

Etymology from Wiktionary, CC BY-SA 3.0