INFOLDING
invagination, introversion, intussusception, infolding
(noun) the folding in of an outer layer so as to form a pocket in the surface; “the invagination of the blastula”
Source: WordNet® 3.1
Verb
infolding
present participle of infold
Source: Wiktionary
INFOLD
In*fold" (n-fld''), v. t. [imp. & p. p. Infolded; p. pr. & vb. n.
Infolding.] Etym: [Pref. in- in + fold.] [Written also enfold.]
1. To wrap up or cover with folds; to envelop; to inwrap; to inclose;
to involve.
Gilded tombs do worms infold. Shak.
Infold his limbs in bands. Blackmore.
2. To clasp with the arms; to embrace.
Noble Banquo, . . . let me infold thee, And hold thee to my heart.
Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition