intermeddle

verb3

1. •
   To butt in, to interfere in or with.

   • The practice of Spain hath been, […]by war[…] and […]by conditions of treaty, to intermeddle with foreign states. — 1627
2. •
   (no longer used) To mix, mingle together.
3. •
   [with oneself] (no longer used) To get mixed up (with).