Where does “acrocefalia” come from?

acrocefalia (Italian) comes from Italian acro-, from Ancient Greek ἄκρος, from Ancient Greek ὦμος, from Proto-Indo-European h₃émōs — shoulder.

acrocefalia (Italian): acrocephaly

Definitions

Step	Language	Word	Meaning
1	Italian	acro-	tip, extremity, peak
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