An Etymological Dictionary of the German Language/Bai

by Friedrich Kluge

Bai (1.), f., ‘bay of a window,’ from MidHG. beie, ‘window,’ which with the following word is of Rom. origin; comp. E. bay, Fr. baie, ‘bay (of a window).’

Bai (2.), f., ‘bay,’ derived through LG. from E. bay (MidE. baie), which was borrowed from Rom.; Fr. baie, Ital. baja, Span. and Iber. (in Isidore), baja, ‘haven’; prop. identical with the preceding word.