Webster's Revised Unabridged Dictionary · 1913

Impinge

Impinge , transitive verb

[Latin impingere; pref. im- in + pangere to fix, strike; prob. akin to pacisci to agree, contract. See Pact, and compare Impact.]

To fall or dash against; to touch upon; to strike; to hit; to clash with; -- with on or upon.
The cause of reflection is not the impinging of light on the solid or impervious parts of bodies. — Sir I. Newton
But, in the present order of things, not to be employed without impinging on God's justice. — Bp. Warburton