incur (v.) Look up incur at Dictionary.com
early 15c., from Anglo-French encurir, Middle French encourir, from Latin incurrere "run into or against, rush at, make an attack;" figuratively, "to befall, happen, occur to," from in- "upon" (see in- (2)) + currere "to run" (see current (adj.)). Related: Incurred; incurring.