What is "chajakhu"

Chajakhu (, also Romanized as Chājākhū; also known as Chāchākhū, Chachakhoo, Chā Chā Khow, Chāh Akhur, and Chāh Ākhvor) is a village in Momenabad Rural District, in the Central District of Sarbisheh County, South Khorasan Province, Iran. At the 2006 census, its population was 44, in 14 families.