English
roadometer
From road + -o- + -meter.
Formed from road + -o- + -meter
Proto-Indo-European *reydʰ- ‘to ride’
Proto-Germanic *raidō ‘a ride’
Proto-West Germanic *raidu ‘riding’
Old English rād ‘riding’
Middle English rode ‘ride’
English road
Today it means
noun An odometer.
Language periods are conventional ranges, not dates for this word.
Etymograph / roadometer