firstly in Polish
firstly in Polish
po pierwsze
(formal) In the first place; before anything else; first.
na początku
(formal) In the first place; before anything else; first.
na wstępie
(formal) In the first place; before anything else; first.
najpierw
(formal) In the first place; before anything else; first.
najsampierw
(formal) In the first place; before anything else; first.
naprzód
(formal) In the first place; before anything else; first.