inroad
noun
[ ˈɪnrəʊd ]
• an instance of something being encroached on or reduced by something else.
• "the firm is beginning to make inroads into the UK market"
• a hostile attack; a raid.
• "the inroads and cross-border raiding of the Grahams"
Origin:
mid 16th century (in inroad (sense 2 of the noun)): from in + road (from an early use in the sense ‘riding’).
