
English word research comes from Old French re- (again; once more) and Old French cerchier (to search, to seek, to look for)
re- (Old French)
Re- (again; once more).
cerchier (Old French)
To search; to seek; to look for.
recerchier (Old French)
To search; to look for.
rechercher (French)
To search again, to look for again. To search for, to look for.
research (English)
(countable, dated) A particular instance or piece of research.. (uncountable) Diligent inquiry or examination to seek or revise facts, principles, theories, applications, etc.; laborious or continued search after truth. (intransitive) To make an extensive investigation into.. (transitive) To search again.. (transitive) To search or examine with continued care; to seek diligently.