Where does “acromial” come from?

acromial (Spanish) comes from Spanish acromion, from Ancient Greek ἄκρος, from Ancient Greek ὦμος, from Proto-Indo-European h₃émōs — shoulder.

acromial (Spanish): acromial

Definitions

Step	Language	Word	Meaning
1	Spanish	acromion	acromion
2	Ancient Greek	ἄκρος	At the edge, extreme, beginning, end: outermost;...
3	Ancient Greek	ὦμος	the shoulder with the upper arm
4	Proto-Indo-European	h₃émōs	shoulder