Definition of "looketh"

And when the priest looketh on the sore in the skin of the flesh, and the hair in the sore is turned white, and the sore looketh deeper than the skin of his flesh, it is the sore of leprosy; and the priest shall look on him and pronounce him unclean.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Leviticus 13:3