يَوْجَى — يَلِي
Translation: He suffers sore feet — he is near/follows.
The source’s explanation distinguishes a form retaining the initial wāw from one where it disappears. The root و ل ي reveals why يَلِي begins without the root’s wāw.
Analytical baseSurface formChange
يَوْلِييَلِيInitial wāw deletion
يَلِيلِ (imperative)Further shortening in command
A verb can undergo separate changes to its first and third weak radicals, depending on the particular inflectional environment.