←
Middle High German ficken (inherited)
←
Proto-Indo-European *puḱn- (derived)
←
Proto-Indo-European *pewḱ- (mention)
→
Esperanto fik (borrowed)
→
Esperanto fiki (borrowed)
→
West Frisian fokje (cognate)
→
Luxembourgish fécken (cognate)
→
Pennsylvania German ficke (cognate)