Where does “brachy-” come from?

brachy- (English) comes from Ancient Greek βραχύς, from Proto-Indo-European mréǵʰus, from Proto-Indo-European mreǵʰ- — short.

brachy- (English): short

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	βραχύς	short, brief; short, small, little; few
2	Proto-Indo-European	mréǵʰus	short; brief
3	Proto-Indo-European	mreǵʰ-	short

brachy- — Etymology, Origin & Word History | Etymology Explorer