tatyji'o lujvo

t₁=j₁ a nipple/teat (mammary papilla) of t₂.

In notes:

tatru: x₁ is a/the breast/mammary/teat [body-part] of x₂; [metaphor: projection providing liquid].
remyladru: l₁ is human breast milk/mother's milk from human r₁.
supso: x₁ is a/the nipple/papilla [body-part] of x₂.