This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
漛 is a rare character of uncertain origin. It visually combines 氵 (water) with 龹 and 氺, but the historical development is unclear.
With water 氵 on the left and a top component 龹 over another water-like shape 氺, imagine waves (なみ) rising and falling in a turbulent sea.
For トウ, picture a towering wave (なみ) crashing down: tower -> トウ, and the water splashes everywhere.