穹

Glyph origin
.

Definitions

 * 1)  elevated and arched
 * 2)  sky
 * 3)  deep
 * 4)  high and vast
 * 5)  to fill up; to exhaust
 * 1)  deep
 * 2)  high and vast
 * 3)  to fill up; to exhaust

Kanji

 * 1) high arching vault
 * 2) sky

Etymology
From.