The Collaborative International Dictionary
Imbathe
Imbathe \Im*bathe"\, v. t. [Pref. im- in + bathe. Cf. Embathe.] To bathe; to wash freely; to immerse.
And gave her to his daughters to imbathe
In nectared lavers strewed with asphodel.
--Milton.
Wiktionary
imbathe
vb. (obsolete form of embathe English)