Would God. Figure of speech Eonismos (App-6). No Hebrew for "God "here.
when. Compare Numbers 11:33.
the LORD. Hebrew. Jehovah. App-4.
Related Commentaries of Numbers 20:3
Numbers 20:3
3 And the people chode with Moses, and spake, saying, Would God that we had died when our brethren died before the LORD!