Smith’s Bible Dictionary

“Lachet ” means

Lachet : the thong or fastening by which the sandal was attached to the foot. It occurs int he proverbial expression in (Genesis 14:23) and is there used to denote something trivial or worthless. Another semi-proverbial expression in (Luke 3:16) points to the fact that the office of bearing and unfastening the shoes of great personages fell to the meanest slaves.