Where does “semitārius” come from?

semitārius (Latin) comes from Latin sēmita, from Proto-Italic sēmitā, from Proto-Indo-European swé(d).

Ancestry of “semitārius”, step by step

Step	Language	Word	Meaning
1	Latin	sēmita	—
2	Proto-Italic	sēmitā	—
3	Proto-Indo-European	swé(d)	—

semitārius — Etymology, Origin & Word History | Etymology Explorer