Where does “chamaetusius” come from?

chamaetusius (Vulgar Latin) comes from Ancient Greek χαμαί, from Ancient Greek Χθών, from Proto-Indo-European dʰéǵʰōm, from Proto-Indo-European -ōm, from Proto-Indo-European -mi.

Ancestry of “chamaetusius”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	χαμαί	on the earth, near the ground; to the...
2	Ancient Greek	Χθών	the Earth, personified as a goddess
3	Proto-Indo-European	dʰéǵʰōm	earth
4	Proto-Indo-European	-ōm	emphatic suffix or postpositive particle
5	Proto-Indo-European	-mi	—

Every word from Proto-Indo-European -mi →Every word from Proto-Indo-European -ōm →Every word from Proto-Indo-European dʰéǵʰōm →