październik

Październik is October, named from paździerz, the woody waste of flax or hemp stalks that is separated from the fibers. In dates it takes the genitive form października: dnia dwudziestego piątego października, on the twenty-fifth of October.

It is the longest month name and old clerks often wrote it without its marks, as Pazdziernika. Indexes may spell it pazdziernika. The Roman numeral for October is X.