“waterpots” is a form of
waterpot
noun
Forms waterpots water-pot
Etymology
From Middle English waterpot, waterpott, water pott, watyrpotte, equivalent to water + pot. Cognate with West Frisian wetterpot (“waterpot”), Dutch waterpot (“waterpot”). Compare also German Wassertopf (“waterpot”).
Webster’s 1913
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “waterpot”, CC BY-SA 4.0. Details