From Latin 'absolvere' (to set free) — something absolute is 'loosened from' all constraints.
Not qualified or diminished in any way; total, complete; not relative or comparative.
From Latin 'absolūtus' (completed, freed, unconditional), the past participle of 'absolvere' (to set free, to acquit, to complete), from 'ab-' (from, away) + 'solvere' (to loosen, to release, to dissolve). 'Solvere' traces to PIE *se-lw- or *selh₂- (to release, to loosen), with the prefix *se- indicating separation. The same root produces Latin 'solūtus' (loose, free), 'solutio' (a loosening, a dissolving), and the English words 'solve,' 'dissolve,' 'resolve,' 'solvent,' and 'solution.' Something absolute is 'loosed from' all external limitations — freed from conditions, qualifications, or constraints. The theological sense
Vodka gets its name from the same concept as 'absolute.' The vodka brand 'Absolut' plays on the Latin meaning: something freed from all impurities. Etymologically, 'absolute' means 'loosened away from' all limitations. The same root 'solvere' (to loosen) gives 'solve' (to loosen a problem apart), 'dissolve' (to loosen into nothing), 'resolve' (to loosen back into clarity), and 'solvent' (a substance that loosens things