Where does “τόσο” come from?

τόσο (Greek) comes from Ancient Greek τόσον, from Ancient Greek τόσος, from Proto-Hellenic totsos, from Proto-Indo-European toti, from Proto-Indo-European só — this; that.

τόσο (Greek): so, such, so much;...

Definitions

so, such, so much;...

Ancestry of “τόσο”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	τόσον	inflection of τόσος : ## masculine accusative...
2	Ancient Greek	τόσος	so much, so very, so great; Synonym of ὅσος
3	Proto-Hellenic	totsos	—
4	Proto-Indo-European	toti	so many
5	Proto-Indo-European	só	this; that

Words derived from “τόσο”

ωστόσο

Every word from Proto-Indo-European só →Every word from Proto-Indo-European toti →Every word from Proto-Hellenic totsos →