to make numb; deprive of sensation: benumbed by cold.
2.
to render inactive; deaden or stupefy.
Origin: 1350–1400; back formation from ME benomen, ptp. of benimen to take away, OE beniman; c. D benemen, G benehmen, Goth biniman.See be-, nimble, numb
To make inactive; dull: "The anesthetic afternoon benumbs, sickens our senses"(Karl Shapiro). See Synonyms at daze.
[Middle English binomen, from past participle of binimen, to take away, from Old English beniman : be-, away; see be- + niman, to take; see numb.] be·numb'ment n.