שְׁאֵיבָה, (שָׁאַב) drawn water. Y. Orl. II, 62ᵃ משום ש׳ ניכרת (ed. Krot. once שאובה) (the bath is disqualified) on account of the drawn water which is distinguishable (by its color). B. Bath. 66ᵃ מכלל דש׳ דאורייתא this would indicate that the disqualification of a bath through an addition of drawn water is Biblical law.