Meaning

noun a journey for some purpose (usually including the return)

noun a hallucinatory experience induced by drugs

noun an accidental misstep threatening (or causing) a fall

originFrom Middle English trippen (“tread or step lightly and nimbly, skip, dance”), perhaps from Old French triper (“to hop or dance around, strike with the feet”), from a Frankish source; or alternatively from Middle Dutch trippen (“to skip, trip, hop, stamp, trample”) (> Modern Dutch trippelen (“to toddle, patter, trip”)). Akin to Middle Low German trippen ( > Danish trippe (“to trip”), Swedish…

Etymology from Wiktionary, CC BY-SA 3.0