Where does “Sinapis” come from?

Sinapis (Translingual) comes from Latin sināpis, from Ancient Greek σίναπι, from Demotic snwpt.

Ancestry of “Sinapis”, step by step

Step	Language	Word	Meaning
1	Latin	sināpis	—
2	Ancient Greek	σίναπι	the mustard plant
3	Demotic	snwpt	—