Jungg, G. (1895) “ɛegnii”, in Fialuur i voghel sccȣp e ltinisct [Small Albanian–Italian dictionary], page 149
Bufli, G., Rocchi, L. (2021) “yzengji”, in A historical-etymological dictionary of Turkisms in Albanian (1555–1954), Trieste: Edizioni Università di Trieste, page 520