What is the Latin word for incursion?

The usual Latin words for “incursion” are incursiō, excursiō, hostīlis. The right choice depends on the sense; see the distinctions below.

English → Latin

“incursion” in Latin

incursiōan onrush, an attack.; an invasion, incursion excursiōrunning forth; sally, onset, attack hostīlishostile

The English word incursion itself goes back to Latin currō, through incursiō.

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

incursion

incursio (Caes., Liv.): excursio (with reference to one’s own country, from which one makes an incursioninto that of others). To make an incursion, incursionem (hostiliter) facere; excursionem facere (in with accusative): to prevent any hostile incursions, prohibere hostem ab incursionibus (Caes.): fines suos ab excursionibus hostium tueri (Caes.).

Quick answer

What is the Latin word for incursion?: The usual Latin words for “incursion” are incursiō, excursiō, hostīlis. 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.