Where does “Limon” come from?

Limon comes from Spanish limón, which derives from Arabic laimūn, ultimately from a source related to Sanskrit nimbu meaning a citrus fruit.

Ancestry of “Limon”, step by step

Step	Language	Word	Meaning
1	Spanish	Limón	—
2	Arabic	لَيْمُون	lemon, lime
3	Persian	لیمو	lemon; lime
4	Sanskrit	निम्बू	common lime or lemon
5	Mundari	lembu	—