Where does “astouned” come from?

astouned (Middle English) comes from Middle English astounen, from Old English āstunian, from Old English ā-, from Old English ar-, from Proto-West Germanic uʀ-, from Proto-Germanic uz-, from Proto-Indo-European uss-, from Proto-Indo-European uds- — out, outward.

Ancestry of “astouned”, step by step

StepLanguageWordMeaning
1Middle Englishastounento astound, stun, astonish
2Old Englishāstunian—
3Old Englishā-a-; away, out
4Old Englishar-—
5Proto-West Germanicuʀ-out, over; off, away
6Proto-Germanicuz-up, out
7Proto-Indo-Europeanuss-—
8Proto-Indo-Europeanuds-up, out
9Proto-Indo-Europeanúdout, outward

Words derived from “astouned”

Every word from Proto-Indo-European úd →Every word from Proto-Indo-European uds- →Every word from Proto-Indo-European uss- →