Inroad

n.	1.	The entrance of an enemy into a country with purposes of hostility; a sudden or desultory incursion or invasion; raid; encroachment. The loss of Shrewsbury exposed all North Wales to the daily inroads of the enemy. - Clarendon. With perpetual inroads to alarm, Though inaccessible, his fatal throne. - Milton.
v. t.	1.	To make an inroad into; to invade. [imp. & p. p. Inroaded; p. pr. & vb. n. Inroading.] The Saracens . . . conquered Spain, inroaded Aquitaine. - Fuller.

Noun	1.	inroad - an encroachment or intrusion; "they made inroads in the United States market"
	2.	inroad - an invasion or hostile attack

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