Where does “sao” come from?

sao (English) comes from Ancient Greek Σαώ, from Ancient Greek σῴζω, from Ancient Greek -ίζω, from Proto-Hellenic -íďďō, from Proto-Indo-European -idyéti, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

sao (English): Any marine annelid of the genus "Hyalinæcia",...

Definitions

Any marine annelid of the genus "Hyalinæcia",...

Ancestry of “sao”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Σαώ	Sao
2	Ancient Greek	σῴζω	I save
3	Ancient Greek	-ίζω	Used to form verbs from nouns, adjectives and...
4	Proto-Hellenic	-íďďō	—
5	Proto-Indo-European	-idyéti	—
6	Proto-Indo-European	-yéti	Creates intransitive, often deponent,...
7	Proto-Indo-European	yé-	—
8	Chichewa	iye	he, she

Every word from Chichewa iye →Every word from Proto-Indo-European -yéti →Every word from Ancient Greek -ίζω →