Meaning

noun the power or capacity of an organism to tolerate unfavorable environmental conditions

noun a disposition to allow freedom of choice and behavior

noun the act of tolerating something

originInherited from Middle English toleraunce, borrowed from Old French tolerance, from Latin tolerantia (“endurance”), from tolerāns, present participle of, and participial adjective from Latin tolerō (“to endure”).

Etymology from Wiktionary, CC BY-SA 3.0