Where does “Erythrininae” come from?

Erythrininae (Translingual) comes from Translingual Erythrina, from Ancient Greek ἐρυθρός, from Proto-Hellenic *erutʰrós.

Ancestry of “Erythrininae”, step by step

Step	Language	Word	Meaning
1	Translingual	Erythrina	—
2	Ancient Greek	ἐρυθρός	reddish, red
3	Proto-Hellenic	*erutʰrós	—

Erythrininae — Etymology, Origin & Word History | Etymology Explorer