The phrase "went down" is used to describe Timnah which is lower in elevation than whereSamson's father lives. Alternate translation: "Samson's father went to where the woman lived" (See: [[rc://en/ta/man/translate/figs-idiom]])
It may be helpful to state that this was a marriage custom. Alternate translation: "the custom of young men who were getting married" (See: [[rc://en/ta/man/translate/figs-explicit]])