ablūtĭo

ōnis, f.

abluo

I. a washing, cleansing, Macr. S. 3, 7.—Of baptism, cf. abluo, I. fin. (eccl. Lat.; in Plin. 13, 12, 23, § 74, the correct reading is adulatione; v. Sillig ad h. l.).
Lewis & Short
A Latin Dictionary, 1879
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