passer

[ pas-er, pah-ser ]
/ ˈpæs ər, ˈpɑ sər /

noun

a person or thing that passes or causes something to pass.
a passerby.

Origin of passer

Middle English word dating back to 1350–1400; see origin at pass, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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