The name is Finnish and can either be considered a contracted form of Kirsten, a diminutive form of Kirsikka (which is Finnish and means “cherry,” or from a Finnish word for frost. It is sometimes used in conjuction with Marja, Kirsi-Marja/Kirsimarja, which also happens to be a Finnish synonym for cherry. Its designated name-day is July 24.
The name is derived from a poetic Latvian sarma, which is a poetic word for “frost; hoar frost; snow; rime.” The designated name-day is December 5. As of 2008, 509 women in Latvia bore the name Sarma, while 3 bore the name Sarmite.