What is the meaning of Dirhem?

A former small Turkish unit of weight, variously reckoned as 1.5–3.5 g (0.05–0.12 oz.).

Alternative form of dirham: a former silver coin weighing one dirhem; modern currencies named for it.

A unit of weight: 1 dirhem = 3.12 grams (obsolete).

Silver coin (historical).

Obsolete spelling of dirham.

Alternative form of dirham.

dirham (especially silver coin used during the Ottoman Empire)

dirham, dirhem

Source: wiktionary.org