Affixation of peng- +‎ perkosa.

• IPA^(key): /pə.mərˈkɔ.sa/
• Hyphenation: pê‧mêr‧ko‧sa

pêmêrkosa

1. rapist (a person who has committed rape)

   Synonym: perogol

• “pemerkosa”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016