Where does “کول” come from?

کول (Persian) comes from Middle Persian ??? — pit, sink.

کول (Persian): ditch; pond; reservoir

Definitions

  1. ditch; pond; reservoir

Ancestry of “کول”, step by step

StepLanguageWordMeaning
1Middle Persian???pit, sink

Words derived from “کول

Every word from Middle Persian ???
کول — Etymology, Origin & Word History | Etymology Explorer