the word 'unabated' is a relatively modern english formation, entering the language in the late 16th century. it is constructed from the negative prefix 'un-', the verb 'abate', and the adjectival suffix '-ed'. the core verb 'abate' originates from old french abatre, meaning "to beat down, knock down," which itself derives from vulgar latin abbatere, a combination of latin ad- ("to, at") and battuere ("to beat"). the literal sense of "beating down" evolved metaphorically into the meaning of reducing in force, intensity, or amount. therefore, 'unabated' literally means "not having been beaten down or reduced," logically leading to its modern sense of continuing without any weakening or slackening.

Structure: un (not) + abate (to reduce in force) + ed (adjective suffix) - un: a prefix of english origin (from old english), meaning "not" or "the opposite of". - abate: a verb of french origin (from old french abatre), meaning "to beat down, reduce in force or intensity". - ed: a suffix of english origin, used to form adjectives from verbs, meaning "having the quality of".