Where does “-wos” come from?

-wos (English) comes from English -wise, from Middle English -wise, from Old English -wīs — -wise.

Ancestry of “-wos”, step by step

StepLanguageWordMeaning
1English-wisein the direction or orientation of; in the manner...
2Middle English-wise—
3Old English-wīs-wise
Every word from Old English -wīs →Every word from English -wise →Every word from Middle English -wise →