In 'Iipay, mainly used to describe sprouting plants.
The base of more specific and more common verbs chepak (netepachk), "comes out, appears" and chepam (netepachm) "goes out, exits, escapes"
Non-'Iipay dialects may use chepa (netepach) to mean "appears, comes out, goes out"
Homophone with chepaa "urinates" (women only)