The Collaborative International Dictionary
Inroading
Inroad \In*road"\ ([i^]n*r[=o]d"), v. t. [imp. & p. p. Inroaded; p. pr. & vb. n. Inroading.] To make an inroad into; to invade. [Obs.]
The Saracens . . . conquered Spain, inroaded Aquitaine.
--Fuller.
Wiktionary
inroading
invasive v
(present participle of inroad English)