As adverbs the difference between ashily and washily
is that ashily is in an ashy way while washily is in a washy manner.
ashily
English
Adverb
(
en adverb)
In an ashy way.
* Edward Hayes, The Ballads of Ireland
- The window is full of the bare blue gloom, / And by the low hearth ashily sinking, / Half asleep, is a fairy winking.