The story
- LatinCaesar
- LatinCaesariānus
- English todayCaesarian
Borrowed from Latin Caesariānus, from Caesar + -iānus. By surface analysis, Caesar + -ian. Piecewise doublet of tsarian. For the sense “Caesarean section”, see also "Caesarean section § Etymology" on Wikipedia.
Etymology from Wiktionary, CC BY-SA 4.0.