Where does “silla” come from?

silla (Galician) comes from Spanish silla, from Old Spanish siella, from Latin sella, from Proto-Italic sedlā, from Proto-Indo-European sed-lo-.

silla (Galician): chair; raised stone for installing a hive

Definitions

silla traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Spanish	silla	chair; saddle
2	Old Spanish	siella	chair
3	Latin	sella	seat, chair; sedan chair; saddle
4	Proto-Italic	sedlā	—
5	Proto-Indo-European	sed-lo-	—

Step	Language	Word	Meaning
1	Latin	sedile	seat, bench, stool, chair
2	Latin	sedeō	to sit, to be seated
3	Proto-Italic	sedēō	sit, be sitting, be seated
4	Indo-European	*sed-	—