underfold

I. \\| ̷ ̷ ̷ ̷| ̷ ̷\ transitive verb

Etymology: under (I) + fold, v.

: to fold within so as to hide

II. \\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun

Etymology: under (III) + fold, n.

: a fold lying under or beneath a surface or beneath another fold