Where does “Linaria” come from?

Linaria (Translingual) comes from Latin linarius, from Latin līnum, from Proto-Italic līnom, from Proto-Indo-European līnom — flax.

Ancestry of “Linaria”, step by step

Step	Language	Word	Meaning
1	Latin	linarius	linen-weaver
2	Latin	līnum	—
3	Proto-Italic	līnom	—
4	Proto-Indo-European	līnom	flax

Linaria — Etymology, Origin & Word History | Etymology Explorer