Meaning

noun an upward slope or grade (as in a road)

noun an event that involves rising to a higher point (as in altitude or temperature or intensity etc.)

noun the act of climbing something

originFrom Middle English climben, clymben, from Old English climban (“to climb”), from Proto-West Germanic *klimban, from Proto-Germanic *klimbaną (“to climb, go up by clinging”), believed to be a nasalised variant of Proto-Germanic *klibaną, *klibāną (“to stick, cleave”), from Proto-Indo-European *gley- (“to stick”). Cognate with West Frisian klimme (“to climb”), Dutch klimmen (“to climb”), German…

Etymology from Wiktionary, CC BY-SA 3.0