(Drenthe) First attested as Polle in 1936. Derived from pol(“overgrown sandy hill, slightly elevated place”).
(De Fryske Marren) First attested as Polle (De) in 1899. Calque of West FrisianDe Pôle, derived from pol(“overgrown sandy hill, slightly elevated place”).
(Súdwest-Fryslân) Calque of West FrisianDe Pôle, derived from pol(“overgrown sandy hill, slightly elevated place”).