Pasteur
/pæsˈtɜːr/noun
A surname and title associated with someone who tends or keeps sheep; most famously, the French scientist Louis Pasteur.
Did you know?Pasteur comes from the same Latin root as *pastor*, so the name literally began as a word for a shepherd before Louis Pasteur made it famous in science.
Etymological Timeline
Proto-Indo-European
PIE
*peh₂-
“to feed, graze”
Latin
Latin
pāscere / pastor
“to feed, tend; shepherd”
Old French
Old French
pastur
“shepherd, herdsman”
Middle French
French
pasteur
“shepherd”
Modern English
English
Pasteur
“French surname, especially associated with Louis Pasteur”