Where does “sõo” come from?

sõo (Old Portuguese) comes from Latin sonus, from Latin sonō, from Proto-Italic *swonaō — to sound, resound.

Ancestry of “sõo”, step by step

sõo traces back through two separate lines of ancestry.

via Latin sonus

StepLanguageWordMeaning
1Latinsonussound, noise; pitch; speech; tone, character,...
2Latinsonōto sound, resound, make a sound or noise (and various sounds in-context)
3Proto-Italic*swonaōto sound, resound

via Latin sōlus

StepLanguageWordMeaning
1Latinsōlus—
2Ancient GreekΣολοῦςSolus, Sicily, Italy

Words derived from “sõo”

Every word from Proto-Italic *swonaō →Every word from Latin sonō →Every word from Latin sonus →