The JLA example is dubious and the two examples invented in LS2 are simply incorrect. At BhEth 348:10 he has, as is the case far too frequently, simply failed to read the passage in its context: it means "to make rejoice, i.e. ḥdy. vb. Indeed, the text is simply quoting the Peshiṭta of Psalm 46:5! The etpa. example simply belongs with ˀḥd, although in that case apparently Bedjan also mis-parsed the form.
See also the note s.v. ḥdy #3 vb.