The story
- Middle Mongol · derived from札撒兀勒
- Ukrainian · borrowed fromосаву́л
- Russian · borrowed fromесау́л
- English todayesaul
From Russian есау́л (jesaúl), Ukrainian осаву́л (osavúl). Ultimately from Middle Mongol 札撒兀勒 (zhásāwùlè /ǰasa'ul/).
Etymology from Wiktionary, CC BY-SA 4.0.