Where does “protináboženský” come from?

protináboženský (Czech) comes from Czech náboženský, from Czech nábožný, from Czech na, from Old Czech na, from Proto-Slavic na, from Proto-Indo-European h₂en- — on, onto.

protináboženský (Czech): anti-religious, antireligious

Definitions

anti-religious, antireligious

Ancestry of “protináboženský”, step by step

Step	Language	Word	Meaning
1	Czech	náboženský	religious
2	Czech	nábožný	devout, pious, religious
3	Czech	na	on, onto; on; to
4	Old Czech	na	on, onto direction, + accusative case
5	Proto-Slavic	na	on; concerning; onto
6	Proto-Indo-European	h₂en-	on, onto

Every word from Proto-Indo-European h₂en- →Every word from Proto-Slavic na →Every word from Old Czech na →