Aethiops

The term aethiops, or æthiops or ethiops, refers to certain dark-colored compounds of metal.

Ethiops martial is the black oxide of iron.

Aethiops mineral is the black sulphide of mercury. Historically, it was prescribed for parasitic worms and all crudities and acrimony of the humours. It was reputedly infallible against the itch and other cutaneous diseases.