From G5414; to load up (properly as a vessel or {animal}) that {is} (figuratively) to overburden with ceremony (or spiritual anxiety): - {lade} be heavy laden.
Mat 23:4For they bind heavy burdensG5413 and grievous to be borne, and lay them on men's shoulders; but they themselves will not move them with one of their fingers.
Luk 11:46And he said, Woe unto you also, ye lawyers! for ye lade men with burdensG5413 grievous to be borne, and ye yourselves touch not the burdensG5413 with one of your fingers.