Where does “уксусник” come from?

уксусник (Russian) comes from Russian уксус, from Old East Slavic уксусъ, from Ancient Greek ὄξος, from Ancient Greek ὀξύς, from Proto-Indo-European h₂eḱ- — sharp.

уксусник (Russian): vinegar cruet vessel for serving vinegar

Definitions

vinegar cruet vessel for serving vinegar

Ancestry of “уксусник”, step by step

Step	Language	Word	Meaning
1	Russian	уксус	vinegar
2	Old East Slavic	уксусъ	—
3	Ancient Greek	ὄξος	poor wine; vinegar made therefrom; sour fellow,...
4	Ancient Greek	ὀξύς	sharp, pointed; sharp, keen; quick, hasty, swift
5	Proto-Indo-European	h₂eḱ-	sharp

Every word from Proto-Indo-European h₂eḱ- →Every word from Ancient Greek ὀξύς →Every word from Ancient Greek ὄξος →