English

glasphalt

Blend of glass + asphalt

Proto-Germanic *glasą ‘amber’

Proto-West Germanic *glas ‘glass’

Old English glæs

Middle English glas

English glass

Proto-Indo-European *(s)gʷʰh₂el- ‘to stumble’

Ancient Greek σφάλλω ‘to fall, cast down’

Ancient Greek ἄσφαλτος ‘asphalt, bitumen’

Late Latin asphaltum

Today it means

noun A type of asphalt that uses crushed glass in place of rock aggregate.

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

Etymograph / glasphalt