To write or print between the lines of; insert between lines; write or print in alternate lines.

"As in the case of wrecking activity, gender-neutral collective terms like mob and crowd have been gendered male, particularly when arrestees in the incidents were men. 98 But it is difficult to believe that women did not participate in some capacity, and thus it is a legitimate exercise to attempt to interlineate or superimpose their presence, and to retrieve the neutral connotation of collectivities that were reported in contemporary accounts."

interlined  interlines  interlining