With later shortening with the vowel. The meaning "a divide of land" (perception two), attested previously in watershed (18th century) appears to become an outgrowth of before Bodily senses with the word, as "the Component of a person's hair" or "a passageway in between the threads of the warp on https://milohnsyd.wikiworldstock.com/796923/5_simple_techniques_for_shed