INROAD
inroad
Noun
- an advance into enemy territory, an incursion, an attempted invasion
- progress made toward accomplishing a goal or solving a problem
Verb
- To make an inroad into; to invade.
- The Saracens conquered Spain, inroaded Aquitaine. — Fuller.
The above text is a snippet from Wiktionary: inroad
and as such is available under the Creative Commons Attribution/Share-Alike License.