This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development of 睳 is uncertain. It visually contains 目 (eye) and 奎, but the original semantic and phonetic roles are unclear.
The left side is an eye 目, and the right side 奎 looks like a large 大 figure over earth 土. Imagine squinting through haze to see a giant shape on the ground, but the meaning remains unclear.
For ケイ, picture a hazy scene where you can barely make out the letter K: K -> ケイ, and your eye strains to see through the mist.