Pediatric
来自Big Physics
late 19th century: from paedo- ‘of children’ + Greek iatros ‘physician’ + -ics.
wiktionary
pedo- + -iatric
etymonline
pediatric (adj.)
"of or pertaining to the medical care or diseases of children," 1849, from Latinized form of Greek paid-, stem of pais "child" (see pedo-) + -iatric.