An Etymological Dictionary of Astronomy and Astrophysics

A coating of ice, generally clear and smooth, formed on exposed objects by the freezing of a film of supercooled water deposited by rain, drizzle, fog, or possibly condensed from supercooled water vapor. Also called glaze ice, verglas, and (especially British) glazed frost.

Etymology (EN): Glaze, from → glass.

Etymology (PE): Hasar “ice,” probably related to Av. isu- “icy, chilly,” aexa- “ice, frost,” Mod.Pers. yax “ice;” cf.
O.E. is “ice,” from P.Gmc. *isa-; Du. ijs, Ger. Eis, E. ice.