Vibrant

google

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early 17th century (in the sense ‘moving rapidly, vibrating’): from Latin vibrant- ‘shaking to and fro’, from the verb vibrare (see vibrate).

wiktionary

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From French vibrant, from Latin vibrans, present participle of vibrare(“to vibrate”). See vibrate.

etymonline

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vibrant (adj.)

1550s, "agitated;" 1610s, "vibrating" (especially "vibrating so as to produce sound," of a string, etc.), from Latin vibrantem (nominative vibrans) "swaying," present participle of vibrare "move to and fro" (from PIE root *weip- "to turn, vacillate, tremble ecstatically"). Meaning "vigorous, full of life" is first recorded 1860. Related: Vibrantly; vibrancy.