Obstetrician
来自Big Physics
mid 18th century: via modern Latin obstetricus from Latin obstetricius (based on obstetrix ‘midwife’), from obstare ‘be present’.
wiktionary
obstetrics + -ician
etymonline
obstetrician (n.)
"one skilled in obstetrics," 1793, from Latin obstetricia "midwifery" (from obstetricus; see obstetric) on model of physician.
