Where does “sedativo” come from?

sedativo (Portuguese) comes from Portuguese sedar, from Latin sedo, from Latin sedeō, from Proto-Italic sedēō, from Proto-Indo-European sḗd- — to sit.

sedativo (Portuguese): sedative, soothing; sedative, depressant

Definitions

sedative, soothing; sedative, depressant

Ancestry of “sedativo”, step by step

Step	Language	Word	Meaning
1	Portuguese	sedar	to sedate
2	Latin	sedo	I allay, settle, still, calm, assuage or appease;...
3	Latin	sedeō	to sit, to be seated
4	Proto-Italic	sedēō	sit, be sitting, be seated
5	Proto-Indo-European	sḗd-	to sit

Every word from Proto-Indo-European sḗd- →Every word from Proto-Italic sedēō →Every word from Latin sedeō →