Where does “esternut” come from?

esternut (Old Occitan) comes from Late Latin sternutum, from Latin sternuō — to sneeze.

Ancestry of “esternut”, step by step

StepLanguageWordMeaning
1Late Latinsternutumsneeze
2Latinsternuōto sneeze
Every word from Latin sternuō →Every word from Late Latin sternutum →