Meaning

noun something that is conceived or that exists independently and not in relation to other things; something that does not depend on anything else and is beyond human control; something that is not relativ

adjective perfect or complete or pure

adjective complete and without restriction or qualification; sometimes used informally as intensifiers

originFirst attested around 1380. From Middle English absolut, from Middle French absolut, from Latin absolūtus (“unconditional; unfettered; completed”), perfect passive participle of absolvō (“loosen, set free, complete”), from ab (“away”) + solvo (“to loose”). Influenced in part by Old French absolu. Compare absolve.

Etymology from Wiktionary, CC BY-SA 3.0