hutka = ash (noun) (some things Google found for "hutka": an uncommon term; a last name; Hutka is the name of cities in Poland and Slovakia)
Word derivation for "ash" :
Basque = hauts, Finnish = tuhka
Miresua = hutka
My previous word for "ash" was "sukha". I think that "hutka" is a better mix of the Basque and Finnish words.