Where does “οπλοχρησία” come from?

οπλοχρησία (Greek) comes from Greek όπλο, from Ancient Greek ὅπλον, from Ancient Greek μῦς, from Proto-Hellenic *mū́s, from Proto-Indo-Iranian múHs, from Proto-Indo-European múh₂s — mouse.

οπλοχρησία (Greek): use of a weapon

Definitions

use of a weapon

Ancestry of “οπλοχρησία”, step by step

οπλοχρησία traces back through two separate lines of ancestry.

via Greek όπλο

Step	Language	Word	Meaning
1	Greek	όπλο	gun, rifle, etc; personal weapon, item of small...
2	Ancient Greek	ὅπλον	tool, instrument; a ship's tackle, rope;...
3	Ancient Greek	μῦς	mouse; A type of mussel; A type of whale
4	Proto-Hellenic	*mū́s	—
5	Proto-Indo-Iranian	múHs	mouse
6	Proto-Indo-European	múh₂s	mouse

via Greek χρήση

Step	Language	Word	Meaning
1	Greek	χρήση	use, application, usage
2	Ancient Greek	χρῆσις	use, usage, employment; utility, usefulness;...
3	Ancient Greek	χρᾰ́ω	I use, lend, declare

Every word from Proto-Indo-European múh₂s →Every word from Proto-Indo-Iranian múHs →Every word from Proto-Hellenic *mū́s →