'carelessly-reviewed' originates from English, formed by the adverb 'carelessly' (from 'careless' + '-ly') and the past participle 'reviewed' of the verb 'review' (from prefix 're-' meaning 'again' and Latin root 'videre' meaning 'to see').

'Carelessly' developed in Middle English from 'careles' (careless) + '-ly,' while 'review' entered English via Middle French 'reveu'/'reviser' from Latin elements 're-' and 'videre'; combined, they formed the modern compound adjective 'carelessly-reviewed' used attributively before nouns.

Initially, the components meant 'without care' and 'to look again,' and together they now convey the sense of something that has been reviewed again but done so without due care.