encăthisma

ătis, n.
I. a sitting bath, Cael. Aur. Acut. 3, 18; id. Tard. 5, 4, 69; Sext. Plac. 9, 17.—
II. A fomentation, Cael. Aur. Tard. 2, 1, 23.
Lewis & Short
A Latin Dictionary, 1879
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