fear thy. Perhaps an Ellipsis (App-6), "fear [a visitation from] thy God". Compare Leviticus 25:17; Leviticus 25:36; Leviticus 25:43.
Related Commentaries of Leviticus 19:32
Leviticus 19:32
32 Thou shalt rise up before the hoary head, and honour the face of the old man, and fear thy God: I am the LORD.