judiciary (adj.)youdaoicibaDictYouDict[judiciary 词源字典]
"relating to courts," early 15c., from Latin iudiciarius "of or belonging to a court of justice," from iudicium "judgment," from iudicem (see judge (v.)). The noun meaning "a body of judges, judges collectively" is from 1802 (judicature was used in this sense from 1590s).[judiciary etymology, judiciary origin, 英语词源]