Charles Ellicott Commentary Numbers 20:19

"And the children of Israel said unto him, We will go up by the highway; and if we drink of thy water, I and my cattle, then will I give the price thereof: let me only, without [doing] anything [else], pass through on my feet." — Numbers 20:19 (ASV)

(19) I will only, without doing anything else ... — Literally, Only — it is nothing — let me pass through on my feet.