Where does “similāns” come from?

similāns (Latin) comes from Latin similō, from Latin similis, from Proto-Italic semalis, from Proto-Indo-European sem- — together, one.

Ancestry of “similāns”, step by step

Step	Language	Word	Meaning
1	Latin	similō	—
2	Latin	similis	similar
3	Proto-Italic	semalis	—
4	Proto-Indo-European	sem-	together, one

similāns — Etymology, Origin & Word History | Etymology Explorer