/ ɪmˈpɪndʒ; NAmE / verb
[ v ] impinge (on / upon sth/sb) ( formal ) to have a noticeable effect on sth/sb, especially a bad one
SYN encroach :
He never allowed his work to impinge on his private life.
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WORD ORIGIN
mid 16th cent.: from Latin impingere drive something in or at, from in- into + pangere fix, drive. The word originally meant thrust at forcibly , then come into forcible contact ; hence encroach (mid 18th cent.).