Where does “Lucerne” come from?

Lucerne (English) comes from French luzerne, from Occitan luzerno, from Latin lucerna, from Latin lūcēre.

Ancestry of “Lucerne”, step by step

Step	Language	Word	Meaning
1	French	luzerne	alfalfa
2	Occitan	luzerno	glowworm; glow-worm
3	Latin	lucerna	a lamp, an oil lamp
4	Latin	lūcēre	—