overbathe means to bathe excessively. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From over- + bathe.
verb
- To bathe excessively.“You have a combination of exceptionally dry, cold air — which indoor heating makes even drier — overbathing and use of harsh soaps,” which can strip the skin of its moisture, he said.”