Where does “yema” come from?

yema (Spanish) comes from Old Spanish yema, from Latin gemma — A bud or eye of a plant; A gem, gemstone, jewel,...

yema (Spanish): bud; shoot; yolk

Definitions

Step	Language	Word	Meaning
1	Old Spanish	yema	yolk (of an egg)
2	Latin	gemma	A bud or eye of a plant; A gem, gemstone, jewel,...