Where does “Posidoniaceae” come from?

Posidoniaceae (Translingual) comes from Translingual -aceae, from Latin -āceae.

Ancestry of “Posidoniaceae”, step by step

Step	Language	Word	Meaning
1	Translingual	-aceae	—
2	Latin	-āceae	—

Posidoniaceae — Etymology, Origin & Word History | Etymology Explorer