Where does “primulaceous” come from?

primulaceous (English) comes from Translingual Primulaceae, from Translingual Primula, from Latin primulus, from Latin primus, from Latin prismos, from Latin prisemos, from Proto-Italic priisemos, from Proto-Indo-European per- — passed , crossed.

primulaceous (English): Characteristic of the primrose and other plants...

Definitions

Characteristic of the primrose and other plants...

Ancestry of “primulaceous”, step by step

Step	Language	Word	Meaning
1	Translingual	Primulaceae	family
2	Translingual	Primula	genus
3	Latin	primulus	first
4	Latin	primus	first
5	Latin	prismos	—
6	Latin	prisemos	—
7	Proto-Italic	priisemos	foremost, first
8	Proto-Indo-European	per-	before, in front; first; to go through
9	Proto-Indo-European	pr̥tós	passed , crossed

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Italic priisemos →