Webster's Revised Unabridged Dictionary · 1913

Scrimmage

Scrimmage (?; 48) , noun

[A corruption of skirmish. “Sore scrymmishe.” Ld. Berners.]

1.
Formerly, a skirmish; now, a general row or confused fight or struggle.
Sore scrymmishe. — Ld. Berners
2.
(Football) The struggle in the rush lines after the ball is put in play.