petasos

Updated: May 2, 2025

You will recollect the name from the common woolly rush "eriophorum" which has a cloud of silky seed; and note also that he wears distinctively the flap cap, petasos, named from a word meaning "to expand;" which shaded from the sun, and is worn on journeys.

John Ruskin - The Queen of the Air : Being a Study of the Greek Myths of Cloud and Storm