Petroula is a female Greek name with a rather complicated etymology. Some linguists believe that it is a diminutive of the female name Petrina ( female respective of name Petros), while others think that this is actually the female version of name Petros, and not Petrina. In any case, both names, Petrina and Petroula have common roots and celebrate their name day on the same day.
Sound of name Petroula: Pe-troó -la
Male Version of name Petroula: Petros
Nameday of name Petroula: June 29th
Origin of name Petroula – Agios Petros (St Peter)
Since Petroula is the female name of Petros, it shares its roots and origins. You can read all the pertinent information for the name at the post for name Petros.