Etymograph

English

geocoin

From geo- + coin.

Formed from geo- + coin

Proto-Hellenic *gaya

Ancient Greek γῆ ‘earth’

English geo-

Latin cuneus ‘wedge’

Old French coin

Middle English coyn ‘a wedge’

English coin

Today it means

noun A coin minted for use as a prize in geocaching, sometimes trackable on the Internet by its serial number.

Language periods are conventional ranges, not dates for this word.

Etymograph / geocoin