περίχυμα
περί-χῠμα, ατος, τό,
A). that which is poured round or over, wash, ; of whey, 1.87 ( 17 1 ). 983 .
II). that which is diffused around the earth, atmosphere, τὸ ἱερὸν π. ap. . 1.49.44
III). ablution, Procl. 26 .