Where does “morera” come from?

morera (Spanish) comes from Spanish mora, from Vulgar Latin mora, from Latin mōrum, from Ancient Greek μόρον, from Proto-Indo-European mórom — mulberry, blackberry.

morera (Spanish): white mulberry, "Morus alba"

Definitions

white mulberry, "Morus alba"

Ancestry of “morera”, step by step

Step	Language	Word	Meaning
1	Spanish	mora	a mulberry, a mulberry fruit; default; mora
2	Vulgar Latin	mora	delay, or any duration of time; hindrance
3	Latin	mōrum	mulberry (fruit)
4	Ancient Greek	μόρον	black mulberry; blackberry
5	Proto-Indo-European	mórom	mulberry, blackberry

Every word from Proto-Indo-European mórom →Every word from Ancient Greek μόρον →Every word from Latin mōrum →