meddle

sekaantua puhekieltä To mix (something) with some other substance; to commingle, combine, blend. (defdate)
1590, Edmund Spenser, The Faerie Queene, II.i:

he cut a locke of all their heare, / Which medling with their bloud and earth, he threw / Into the graue(nb..).

But after god came to Adam and bad hym knowe his wyf flesshly as nature requyred / Soo lay Adam with his wyf vnder the same tree / and anone the tree whiche was whyte and ful grene as ony grasse and alle that came oute of hit / and in the same tyme that they medled to gyders there was Abel begoten / thus was the tree longe of grene colour

Take a ram's head that never meddled with an ewe, cut off at a blow, and the horns only taken away, boil it well, skin and wool together(nb..).

Why shouldst thou meddle to thy hurt?

The civil lawyers(..)have meddled in a matter that belongs not to them.

Study to be quiet, and to meddle with your own business.

(rfquotek)