köken: From the present participle of währen (“to last, persist”), with rebracketing of währendes [noun], währender [noun], währendem [noun] as während des [noun], während der [noun], während dem [noun].
köken: Etymology tree Proto-Indo-European *h₂en-der. Proto-Balto-Slavic *nō Proto-Slavic *na Old Polish na Polish na Proto-Indo-European *só Proto-Balto-Slavic *tas Proto-Slavic *tъ Proto-Slavic *to Old Polish to Polish to Proto-Indo-European *mey-? Proto-Indo-European *moyth₂- Proto-Slavic *-to Proto-Slavic *mě̀sto Old Polish miasto Polish miasto univ. Polish natomiast Univerbation of na (“on”) + to…