Nyora kupfuurira kweiyi ndima - Zita remusha rinotanga kuoneka mumanyuko mune yezana ramakore rechinomwe Medieval Greek chinyorwa se Στοβων ("Stovon"). Rinotaurwawo muchinyorwa chaMambo weByzantium Basil II kubva muna 1019 mushure mokukunda
yoUmambo Hwokutanga hweBulgaria. Kutaurwa kwaro kwokutanga muchiBulgarian chekare kunobva muna 1378, apo rinooneka muRila Charter yeBulgarian Emperor Ivan Shishman se "guta reStob" (). Gwaro racho rinosimbisa kuzvimiririra kweRila Monastery kubva kuStob iri pedyo, pakati pemamwe maropafadzo, uye rinotaura kuti nyika dzeimba yemamongi nezvinhu zvacho zvaiva pedyo neguta racho.