circumspect (adj.)youdaoicibaDictYouDict[circumspect 词源字典]
early 15c., from Latin circumspectus "deliberate, guarded, well-considered," past participle of circumspicere "look around, take heed," from circum- "around" (see circum-) + specere "to look" (see scope (n.1)). Related: Circumspectly; circumspectness.[circumspect etymology, circumspect origin, 英语词源]
circumspection (n.)youdaoicibaDictYouDict
late 14c., "careful observation of one's surroundings," from Old French circumspection (Modern French circonspection), from Latin circumspectionem (nominative circumspectio) "a looking around; foresight, caution," noun of action from past participle stem of circumspicere "to look around" (see circumspect).