Where does “Aadam” come from?

Aadam (Finnish) comes from Ancient Greek ἀδάμ, from Hebrew אָדָם, from Hebrew אדמה — earth, soil, land.

Ancestry of “Aadam”, 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