Meaning

noun the upper part of anything

noun the highest or uppermost side of anything

noun the top or extreme point of something (usually a mountain or hill)

originFrom Middle English top, toppe, from Old English topp (“top, highest part; summit; crest; tassel, tuft; (spinning) top, ball; a tuft or ball at the highest point of anything”), from Proto-West Germanic *topp, from Proto-Germanic *tuppaz (“braid, pigtail, end”), of unknown ultimate origin. Compare typologically Latin apex (<< Proto-Indo-European *h₂ep- (“to join, attach, fasten, fit”)). Cognate…

Etymology from Wiktionary, CC BY-SA 3.0