The name of the city Jawor comes from the Polish word for "sycamore". The earliest recorded name dates from 1133 when the city was written down as Jawr and in 1203 as Jawor. Till 16th century the name was written down in Latin in various forms such as: Iavor, Iavr, Javr, Javor, Jaur, Jaura, Jawer, Jauor.