<prompt> Qedela umusho olandelayo: Incazelo ye-ethnonymic ye-leičiai, isib. AmaLithuania, aziwa emithonjeni eminingana. Leli gama lisetshenziswa amaLatvia ukubiza amaLithuania: leiši, sg. leitis. Ngolimi lwesiSamogitian kwakukhona amagama athi leičiuoti ukukhuluma olunye ulimi ngaphandle kwesiSamogitian, noma ukukhuluma ngolimi lwesi-Aukštaitian kanye nelithi leičiukas, leičiūkas umuntu okhuluma olunye ulimi ngaphandle kwesiSamogitian, unamazwi. Ngokwesibonelo, qhathanisa nesiLithuania sanamuhla esithi žemaičiuoti ukukhuluma ngolimi lwesiSamogitian. Emithonjeni ebhaliwe yomlando, kunesibonelo esibalulekile esaziwa ngomunye wababambe iqhaza eMhlanganweni waseLutsk ngo-1429. UJohn Steinkeller, owayeyilungu lomkhandlu waseWrocław Breslau, wabhala encwadini eyayiqondiswe edolobheni lakubo, ukuthi uSigismund, uMbusi Ongcwele WaseRoma, wayezonikeza uVytautas isihloko seNkosi yamaLithuania: her wolde machen herczog Wytolten eynen konyng der Leytten. Amagama anencazelo ethi Lithuanian, Lithuanians, Lithuania futhi cishe avela egameni elithi leitis, atholakala njalo emithonjeni yomlando kusukela ngekhulu le-14 nele-15. Isibonelo, iLithuania ibhalwe ngokubhaliwe njenge czwicshen Lythen und Prewssen 1415; njenge das land Litten ngokucaciswa okwengeziwe kokuthi kwakungu-Aukštaitija ekulandiseni komhlanganyeli noma ufakazi we  <response>: Impi yaseStrėva. Umbusi wamaLithuania wabizwa ngokuthi die Litischen konige encwadini yezindaba zikaWigand von Marburg. Kubukeka sengathi ukuba khona kwamafomu anjalo nge -ei- ngesiLatvia esaziwa kakhulu engxenyeni esentshonalanga, isiJalimane nesiSamogitian uqobo kunethuba elikhulu lokuthi amafomu angavela kumaBalts aseNtshonalanga, kepha akucaci ukuthi kungani engenaso isengezo -uva -ava. 