Where does “suo” come from?

suo (Old Dutch) comes from Proto-Germanic sō, from Proto-Indo-European séh₂, from Proto-Indo-European só — this; that.

Ancestry of “suo”, step by step

StepLanguageWordMeaning
1Proto-Germanicsōnominative/accusative singular feminine of *sa
2Proto-Indo-Europeanséh₂—
3Proto-Indo-Europeansóthis; that

Words derived from “suo”

Every word from Proto-Indo-European só →Every word from Proto-Indo-European séh₂ →Every word from Proto-Germanic sō →
suo — Etymology, Origin & Word History | Etymology Explorer