English
roadbase
From road + base.
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
Proto-Indo-European *gʷem- ‘to come’
…
Ancient Greek βᾰ́σῐς ‘stepping’
Latin basis ‘a pedestal’
Old French base
Middle English base ‘a foundation or base’
English base
Today it means
noun The layer of aggregates under the paved layer of a road.
Sources
Sources: Wiktionary, “roadbase”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / roadbase