Vital
来自Big Physics
late Middle English (describing the animating principle of living beings, also in vital (sense 2 of the adjective)): via Old French from Latin vitalis, from vita ‘life’. The sense ‘essential’ dates from the early 17th century.
wiktionary
From Middle English vital, from Old French vital, from Latin vītālis(“of life, life-giving”), from vīta(“life”), from vīvō(“I live”).
etymonline
vital (adj.)
late 14c., "of or manifesting life," from Latin vitalis "of or belonging to life," from vita "life," related to vivere "to live," from PIE root *gwei- "to live." The sense of "necessary or important" is from 1610s, via the notion of "essential to life" (late 15c.). Vital capacity recorded from 1852. Related: Vitally.
