The word לה has no Mappik in the ה (as the word לָהּ “to it”, usually has). Now I have seen the following in the work of rabbi Moshe haDarshan (Moses the Preacher): Because this name did not remain permanently to it, therefore the letter ה is weak (without a Mappik), — the implication of his explanation being that it (the word לה) is the same as לא “not”. But I wonder what explanation he will give of the two words similar to it, (Ruth 2:14): “And Boaz said לָה”, and (Zechariah 5:11): “to build a house לָה”.Mattos, Numbers 32:42 Sefaria

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