novorozeňátko (Czech) comes from Czech nový, from Old Czech nový, from Proto-Slavic nòvъ, from Proto-Balto-Slavic náwas, from Proto-Indo-Aryan náwas, from Proto-Indo-European néwyos, from Proto-Indo-European néwos, from Proto-Indo-European new- — new; to nod, assent to.
Ancestry of “novorozeňátko”, step by step
novorozeňátko traces back through two separate lines of ancestry.