Charles H. Spurgeon on Psalms 119:35

THE WORD SET BEFORE THE FEET. The word ygkwddh is from drd "to tread with the feet, ""to trample." Hence, "Make me to go, "alludes here to the very act of walking in the divine way, in distinction from mere perception of the way with the eyes and with the understanding. It is in this matter of practical walking that the actual difficulties of the way seem to come more forcibly into sight; hence we no longer have Kdd used (as in Psalms 119:33) which may mean a broad open way, but bytg, which (says Gesenius) "never denotes a public and royal road, such as was raised up and formed by art, but always a footpath." So the younger Buxtorf renders the word by Semita. When the feet really come to tread it, the way of truth is ever found to be "the narrow way."