Where does “Oxypogon” come from?

Oxypogon (Translingual) comes from Ancient Greek ὀξύς, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “Oxypogon”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ὀξύς	sharp, pointed; sharp, keen; quick, hasty, swift
2	Proto-Indo-European	h₂eḱ-	sharp