Hauptquelle · Mittellateinisches Wb.
firmamen n.
firmamen , -inis n. fulcimen – Stütze (translate) : MLW Chart. Sangall. A app. B 6 p. 843,50 (a. 1277) ea, que geruntur in tempore, ne simul recedant cum tempore, literarum solent -e firmamine perhennari. Weber