interlines

/IH1 N T ER0 L AY0 N Z/
verb
  1. 1

    To write or insert between lines already written or printed, as for correction or addition.

    โ€œto interline a page or a bookโ€

  2. 2

    To arrange in alternate lines.

    โ€œto interline Latin and Englishโ€

  3. 3

    To mark or imprint with lines.

Source: https://en.wiktionary.org/wiki/interline, https://en.wiktionary.org/wiki/interlines