Meaning

noun mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing

noun a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons

verb cover with tar or asphalt

originFrom Late Latin asphaltum, from Ancient Greek ἄσφαλτος (ásphaltos, “asphalt, bitumen”). Displaced native Old English eorþteoru.

Etymology from Wiktionary, CC BY-SA 3.0