The Collaborative International Dictionary
Interleave \In`ter*leave"\, v. t. [imp. & p. p. Interleaved; p. pr. & vb. n. Interleaving.] [Pref. inter- + leaf.]
To insert a leaf or leaves in; to bind with blank leaves inserted between the others; as, to interleave a book.
Hence: To insert something alternately between the parts of; as, to interleave transparencies with the corresponding pages.
Wiktionary
vb. (en-past of: interleave)
Usage examples of "interleaved".
Rather than present one, then the other (which would force the reader to jump back to 1689 in mid-volume), I have interleaved sections of one with sections of the other so that the two stories move forward in synchrony.
Maybe, just maybe, this polity is interleaved with others—if so, if I can just break into an upper or lower deck, there may be a way to get to a T-gate and rejoin the manifold of the Invisible Republic.