אַמְבְּטִיתָא, (deriv. of אמבטי) water of the bath-tub, waste of the bath-tub. Y. Sabb. VIII, 11ᶜ ההן דמשזג (גו) א׳ וכ׳ he who washes (his anus) in &c., is liable to a disease of the rectum.