'anticonservativeness' originates from Modern English, formed by the prefix 'anti-' (from Greek 'anti' meaning 'against'), the adjective 'conservative' (ultimately from Latin 'conservare' via French/English), and the noun-forming suffix '-ness' (Old English/Proto-Germanic) meaning 'state or quality'.

'anticonservativeness' evolved by combining established English elements: Latin 'conservare' -> Old French/Latin-derived 'conserve' -> Middle English 'conserven/ conserve' -> adjective 'conservative' -> noun 'conservativeness' -> with prefix 'anti-' formed 'anticonservativeness'.

Initially roots like Latin 'conservare' meant 'to preserve,' but through English formation the modern compound came to mean 'the quality of being opposed to conservatism' rather than preservation.