Etymology
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impinge (v.)

1530s, "fasten or fix forcibly," from Latin impingere "drive into, strike against," from assimilated form of in- "into, in, on, upon" (from PIE root *en "in") + pangere "to fix, fasten" (from PIE root *pag- "to fasten"). Sense of "encroach, infringe" first recorded 1738. Related: Impinged; impinging; impingent.

updated on May 07, 2017

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Definitions of impinge from WordNet

impinge (v.)
impinge or infringe upon;
This impinges on my rights as an individual
Synonyms: encroach / entrench / trench
impinge (v.)
advance beyond the usual limit;
Synonyms: encroach / infringe
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.