ἄσβεστον. [1 verse](adj sg neut acc) "Never shall be quenched" is from asbestos which means "unquenchable," and "inextinguishable." -- -- Never shall be quenched" is a single adjective that means "unquenchable," and "inextinguishable." Though an adjective, the preceding article makes it more like a noun, "the unquenchable."