siilimäinen (Finnish) comes from Finnish mainen, from Finnish maa, from Proto-Finnic maa, from Proto-Uralic mëxe, from Proto-Indo-European meǵh₂s — great.
siilimäinen (Finnish): erinaceous
Definitions
erinaceous
Ancestry of “siilimäinen”, step by step
siilimäinen traces back through two separate lines of ancestry.