Webster's Revised Unabridged Dictionary · 1913

Undernime

Undernime , transitive verb

[Old English undernimen. See Under, and Nim.]

1.
To receive; to perceive. [Obsolete]
He the savor undernom Which that the roses and the lilies cast. — Chaucer
2.
To reprove; to reprehend. [Obsolete] — Piers Plowman