Etymon
ang-sloppe-middle-english-sloppe-english-slop-protoindoeuropean-dheh1-protoindoeuropean-s-protoindoeuropean-dheh1s-protoindoeuropean-dheh1stosder
A dedicated page for this root is on the way — it will gather every word descended from it, sibling forms across daughter languages, and a branching map of the family tree.