From French consultant, present participle of consulter, from Latin consultare (“to deliberate, consult”), frequentative of consulere (“to consult, deliberate, consider, reflect upon, ask advice”), from com- (“together”) + -sulere, of uncertain origin.
consultant (plural consultants)
- a person or party that is consulted.
- a person whose occupation is to be consulted for their expertise, advice, or help in an area or specialty. Alternatively, a party whose business is to be similarly consulted.
- consultant in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- consultant in The Century Dictionary, The Century Co., New York, 1911
- “consultant” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).