- Interrogative1. whenComponents2เมื่อmêuuawhen,at the time,atVery commonLearn this earlyใดdaiwhich,whatVery commonLearn this early
- AdverbBuilt up from เมื่อใด3เมื่อmêuuawhen,at the time,atVery commonLearn this earlyใดdaiwhich,whatVery commonLearn this earlyเมื่อใดก็ตามmêuua dai gôr dtaamwhen,at any time,wheneverObscureSafe to skip for now

