Anatomical term for the clear fluid in the anterior and posterior chambers of the eye. Related to 房水 (ぼうすい), which can refer to aqueous humor or endolymph.
See also: 房水
The aqueous humor fills the space between the cornea and the lens.
Compound of 眼房 (がんぼう, 'eye chamber') + 水 (すい, 'water, fluid'). The exact historical derivation is uncertain; the term is a modern anatomical coinage.