työkuukausi (Finnish) comes from Finnish kuukausi, from Finnish Kuu, from Finnish kuusi, from Proto-Finnic kuuci, from Proto-Uralic kutte — ridge; six.
työkuukausi (Finnish): month of work
Definitions
month of work
Ancestry of “työkuukausi”, step by step
työkuukausi traces back through two separate lines of ancestry.