Levantine Etymology for the Month: فلس/ فلوس and دينار

 Well, the shocking part is that both are originally: Roman!

فلس/ فلوس comes from Ancient Greek φόλλις (phóllis), from Latin follis, used during Roman and Byzantine times 

دينار comes from Ancient Greek δηνάριον (dēnárion), from Latin dēnārius, used during Roman times.

Source for etymology: wikipedia and wiktionary