INTERDIGITATE
Etymology
Verb
interdigitate (third-person singular simple present interdigitates, present participle interdigitating, simple past and past participle interdigitated)
(transitive) To fold or lock together, as when the fingers of one hand are laced between those of the other.
(intransitive) To become folded or locked together, like the fingers of a folded hand.
(transitive, figuratively) To intermingle; to present alternately items from one group and then another.
Source: Wiktionary
In`ter*dig"i*tate, v. t.
Definition: To interweave. [R.]
In`ter*dig"i*tate, v. i. Etym: [Pref. inter- + L. digitus finger.]
Definition: To interlock, as the fingers of two hands that are joined; to
be interwoven; to commingle. Owen.
Source: Webster’s Unabridged Dictionary 1913 Edition