To encroach is defined as to move into or invade someone else's space or territory.(verb)
An example of encroach is when an army moves into another country's space little by little.
See encroach in Webster's New World College Dictionary
Origin: ME encrochen < OFr encrochier, to seize upon, take < en-, in + croc, croche, a hook: see crosier
See encroach in American Heritage Dictionary 4
intransitive verb en·croached, en·croach·ing, en·croach·es
Origin: Middle English encrochen, to seize illegally
Origin: , from Old French encrochier, to seize
Origin: : en-, in; see en-1
Origin: + croc, hook (of Germanic origin).
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