vibration (n.) Look up vibration at Dictionary.com
1650s, from Latin vibrationem (nominative vibratio) "a shaking, a brandishing," noun of action from past participle stem of vibrare "set in tremulous motion" (see vibrate). Meaning "intuitive signal about a person or thing" was popular late 1960s, but has been recorded as far back as 1899. Related: Vibrational.