What is the Latin word for excursion?

The usual Latin words for “excursion” are excursiō, excurrō, ēgressiō. The right choice depends on the sense; see the distinctions below.

English → Latin

“excursion” in Latin

excursiōrunning forth; sally, onset, attack excurrōto run out; to sally forth; to project, extend ēgressiōegress, going out; digression

The English word excursion itself goes back to Latin ex, through excursiō.

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

excursion

*iter animi voluptatisque causa susceptum; or by circumlocution with excurrere. To make an excursion into the country, excurrere rus; to my Pompeian villa, excurrere in Pompeianum.

Digression, excursio: excursus (varios habere excursus, Quint.): egressio. Vid: DIGRESSION.

Quick answer

What is the Latin word for excursion?: The usual Latin words for “excursion” are excursiō, excurrō, ēgressiō. 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.