FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

`ataph aw-taf' — a primitive root; to shroud, i.e. clothe (whether transitive or reflex.); hence (from the idea of darkness) to languish:-- cover (over), fail, faint, feebler, hide self, be overwhelmed, swoon.