s, o, b, l, u are letters that make 'obolus'
OB, bolus, US, Ob, Lu are words within 'obolus'
1 possible definitions for 'obolus'
Under this definition, obolus is a noun and has the following properties:
'obolus' can be a type of weight unit, weight.
'obolus' can be a part of gram, gramme, gm, g.