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English word vigilance comes from Latin vigilo, and later Latin vigilantia (Vigilance, alertness. Wakefulness.)
vigilo (Latin)
(intransitive) I watch, remain awake, keep or am awake at night.. (intransitive, figuratively) I am watchful or vigilant.. (transitive) I watch through, spend in watching, do or make while watching.. I rise, wake up.
vigilantia (Latin)
Vigilance, alertness. Wakefulness.
vigilance (Middle French)
vigilance (English)
(obsolete) A guard; a person set to watch.. Alert watchfulness.. Close and continuous attention.