Definition of "electour"

Whan the electours profered to make him [Ottokar II of Bohemia] emperour, he refuſed it, ſaiyng, that it was a greatter thynge to be kynge of Boheme, than emperour of Rome.

1560, Thomas Cooper, “[The Thirde Part of Lanquettes Chronicle]”, in Coopers Chronicle, Conteininge the Whole Discourse of the Histories as well of This Realme, as All Other Countreis, […], new edition, London: […] [[I]n the house late Thomas Berthelettes], 3rd book, folio 227, recto

In the courſe of not many years muſt the electours of one place grapple in the waves for their town, and at preſent a ſeptennial conſequence is given to a heap of ruins.

1793, William Frend, Peace and Union Recommended to the Associated Bodies of Republicans and Anti-Republicans, St. Ives, Cornwall: […] P. C. Croft, page 7