Where does “morua” come from?

morua (Latin) comes from French morue, from Old French morlue, from Old French lus, from Latin lucius, from Latin lūx, from Proto-Italic louks, from Proto-Indo-European lewḱ-, from Proto-Indo-European lewk- — bright; to shine; to see.

morua (Latin): cod

Definitions

Ancestry of “morua”, step by step

Step	Language	Word	Meaning
1	French	morue	cod; a whore; a broad; an ugly person; an oaf
2	Old French	morlue	—
3	Old French	lus	pike
4	Latin	lucius	a fish, probably the pike
5	Latin	lūx	light (of the sun, stars etc.)
6	Proto-Italic	louks	light
7	Proto-Indo-European	lewḱ-	lynx
8	Proto-Indo-European	lewk-	bright; to shine; to see

Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Italic louks →