1939, "place name," from Greek topos "place" (see topos) + -onym "name" (from PIE root *no-men- "name"). Toponymy "study of place names" is from 1876. Related: Toponymic; toponymics.
topknot
topless
top-notch
topography
topology
toponym
topos
topper
topping
topple
tops
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