LATIN DICTIONARYLexicon Latīnum
English → Latin

“companion” in Latin

The English word companion itself goes back to Latin pānis.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

companion
socius (who partakes in anything, e.g., in a journey, itineris): comes (who accompanies one): sodalis (comrade): contubernalis (companion in the same tent or room): commilito: quocum mihi est militia communis (companion in arms): convector (travelling companion in any vehicle, also on board a ship): collega (one of the same profession, a partner, e.g., fellow-slave, fellow-actor, etc.): condiscipulus (school-fellow): conservus (one in the same service, fellow-slave): aequalis (a person with whom one has been brought up): gregalis (a person who belongs to our set: also in a bad sense): congerro (one with whom one exchanges jokes and nonsense, Plaut., Most: 3, 3, 27): re et ratione conjunctus: consors. socius (commercial partner, the latter in Hor., Od., 3, 24, 60): convictor (who lives with anybody: eats and drinks with him, etc.): conviva (guest who is invited at table by anybody): a good companion, homo jucundus et delectationi natus (who possesses the talent of agreeable entertainment): homo facilis or morum facilium (a sociable and pleasant companion in general); my usual and daily companions are learned people, utor familiaribus et quotidianis convictoribus hominibus doctis. A companion in anything, particeps or socius alicujus rei (whosoever takes a share in a matter, partaker): A jolly companion, combibo; compotor: A female companion, socia: comes: to become anybody’s companion, praebere se comitem alicui: addere or adjungere se comitem alicui: to have anybody for a companion, habere aliquem comitem.

Quick answer

What is the Latin word for companion?
The usual Latin words for “companion” are socius, comes, sodālis; also contubernālis, commīlitō, convector. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.