From phortos; to load up (properly, as a vessel or animal), i.e. (figuratively) to overburden with ceremony (or spiritual anxiety) -- lade, by heavy laden.
KJV: And he said, Woe unto you also, ye lawyers! for ye lade men with burdens grievous to be borne, and ye yourselves touch not the burdens with one of your fingers.
NASB: But He said, "Woe to you lawyers as well! For you weigh men down with burdens hard to bear, while you yourselves will not even touch the burdens with one of your fingers.