Where does “hóplon” come from?

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

hóplon (Portuguese): hoplon

Definitions

hoplon

Ancestry of “hóplon”, step by step

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

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