This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
眜 combines 目 (eye) with 末, which may contribute a phonetic element. The exact historical development is uncertain.
The left side is an eye 目, and the right side is 末 (end/tip). Without a clear meaning, picture an eye looking at the tip of something, but treat the meaning as uncertain.
For バツ, imagine an eye 目 looking at a bat (バツ) hanging from the tip 末 of a branch. The bat's shape and sound cue バツ.