English

groundtrack

ground + track

A compound of ground + track

Proto-Indo-European *gʰrem- ‘floor, settlement’

Proto-Germanic *grunduz ‘ground, foundation’

Proto-West Germanic *grundu

Old English grund

Middle English ground

Old French trac ‘track of horses’

Middle English trak

English track

Today it means

noun The path on the planetary surface directly beneath a satellite's or aircraft's trajectory.

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

Etymograph / groundtrack