Where does “solas” come from?

solas (Portuguese) comes from Portuguese sola, from Old Portuguese sola, from Vulgar Latin sola, from Latin solea, from Latin sōlum, from Proto-Indo-European swol- — sole; sole of the foot.

solas (Portuguese): plural of sola

Definitions

plural of sola

Ancestry of “solas”, step by step

Step	Language	Word	Meaning
1	Portuguese	sola	sole
2	Old Portuguese	sola	—
3	Vulgar Latin	sola	nominative plural of solum; accusative plural of...
4	Latin	solea	sandal; sole of a shoe
5	Latin	sōlum	bottom, ground, base, foundation, bed
6	Proto-Indo-European	swol-	sole; sole of the foot

Every word from Proto-Indo-European swol- →Every word from Latin sōlum →Every word from Latin solea →