Inherited from Written Oirat ᡕᠠᡋᡇᡑᠠᠯ (yabudal), from ᡕᠠᡋᡇᡍᡇ (yabuxu, “to go, to act”). By surface analysis, йовх (yovx) + -дл (-dl).
йовдл • (yovdl) (Clear script spelling ᡕᠠᡋᡇᡑᠠᠯ (yabudal), plural йовдлмуд)