secure
adj.
1530s, "without care, dreading no evil," from Latin securus, of persons, "free from care, quiet, easy," also in a bad sense, "careless, reckless;" of things, "tranquil; free from danger, safe," from *se cura, from se "free from" (see secret, n.) + cura "care" (see cure, n.).In English, of places, "free from danger, unexposed," from 1580s. Meaning "firmly fixed" (of material things) is from 1841, on notion of "affording grounds for confidence." Of telephones, "not wiretapped," from 1961. Replaced Middle English siker, from Old English sicor, from the Latin word. Related: Securely.
v.
c.1600, "to make safe," from secure, adj.. Meaning "ensure, make certain" is from 1650s; that of "seize and hold" is from 1640s; sense of "get possession" is from 1743. Related: Secured; securing.
〔李〕[se-=apart 离开；cur=care 烦恼；-e⇒“apart or free from care 离开烦恼的境地”→] Ⅰ a. safe against loss，attack，or danger 安全的，安心的，保险的
〔蒋〕[cur=care关心，挂念，注意] 安全的，无忧的
〔李〕[se-=apart离开；cur=care关心；-e→“apart from the state of care离开挂念状态的”→] I a. untroubled by danger or apprehension无忧无虑的；安心的