Noun
(translation studies, uncountable) The activity of translating a previously translated document back into the original language.
(translation studies, countable) A text which has been translated in such a fashion
(genetics) The translation of an amino acid sequence into genetic code
Source: en.wiktionary.org; nom de plume : originally a "back-translation" from the English "pen name": author's pseudonym. ; nouveau (pl. Source: Internet
Some made their first appearance in English in the 1820s as a result of back-translation from Dumont's 1802 collection (and redaction) of Bentham's writing on civil and penal legislation. Source: Internet