What is the Latin word for corollary?

The usual Latin words for “corollary” are corōllārium, addō, cōnsectārius. The right choice depends on the sense; see the distinctions below.

English → Latin

“corollary” in Latin

corōllāriumMoney paid for a garland of flowers.; A gift, present, gratuity.; A corollary, deduction, consequence.addōto add; to put, place, lay a person or thing to another; to acquire cōnsectāriusthat follows logically, consequent, conclusive

The English word corollary itself goes back to Latin corōna, through corōllārium.

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

corollary

corollarium (late in this sense, Boeth. = “douceur,” classical): addendum, addenda (Krebs): consectarium (conclusion drawn from a proposition; but especially of a short striking argument, Cic.): CORONAL, Vid: CROWN.

Quick answer

What is the Latin word for corollary?: The usual Latin words for “corollary” are corōllārium, addō, cōnsectārius. 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.