Where does “Adamus” come from?

Adamus (Latin) comes from Ancient Greek Ἀδάμ, from Hebrew אָדָם, from Hebrew אדמה — earth, soil, land.

Ancestry of “Adamus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἀδάμ	—
2	Hebrew	אָדָם	earth, man, soil, light brown; Adam; man, person
3	Hebrew	אדמה	earth, soil, land

Adamus — Etymology, Origin & Word History | Etymology Explorer