According to the Landrat census of 1710 is fixed as Deri-Chyud’ya, Zav’yalovo. Udmurt name is Дэри [Deri]. The name Zav’yalovo comes from a personal name Завьял [Zav’yal] ˂ rus. завяло [zavyalo – ‘withered, wilted’] – sluggish man + –ово – Russian language affix; Deri-Chud’ya: Deri – from the river name + Chud’ya (Shud’ya) – family group name: “Settlement of the Chud’ya family group, located on Deri river, founded by Zav’yal” (Udmurt folklore has the image of hero Zav’yal).
The date of settlement is not known but the village was founded 100 years earlier than Izhevsk [current capital of the Udmurt Republic] according to legends. It was the biggest Udmurt settlement in the South and Central parts of Udmurtia within the Landrat census of 1710. The settlement consisted of 55 households. First relocatees came from the Kilmez’ river basin and from the Gozek-Shudya village (current Kilmez district of the Kirov region), from where the Shudya group residents of Alnashsky and Mozhginsky districts arrived. [Atamanov 2015: 294].