Where does “astound” come from?

Astound comes from Middle English astouned, from Middle English astonen, from Old English āstunian, formed with the Old English intensive prefix ā- (from or-) and a root from Proto-Indo-European (s)ten-.

astound (English): To astonish, bewilder or dazzle; Stunned;...

Definitions

  1. To astonish, bewilder or dazzle; Stunned;...

Ancestry of “astound”, step by step

astound traces back through two separate lines of ancestry.

via Middle English astouned

StepLanguageWordMeaning
1Middle Englishastouned—
2Middle Englishastounento astound, stun, astonish
3Old Englishāstunian—
4Old Englishā-a-; away, out
5Old Englishar-—
6Proto-West Germanicuʀ-out, over; off, away
7Proto-Germanicuz-up, out
8Proto-Indo-Europeanuss-—
9Proto-Indo-Europeanuds-up, out
10Proto-Indo-Europeanúdout, outward

via Middle English astoned

StepLanguageWordMeaning
1Middle Englishastoned—
2Old Frenchestoné—
3Old Frenchestonerto stun, daze
4Latinēx-out, away
5Proto-Indo-Europeaneǵ-—

Words derived from “astound”

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