ostiolum

Insuper faciunt quadrangulos de virgulis fissis attenuatis ad quantitatem vnius arcæ magnæ: et postea de vna extremitate ad aliam eleuant testudinem de similibus virgis, et ostiolum faciunt in anteriori extremitate: et postea cooperiunt illam cistam siue domunculam filtro nigro inbuto seuo siue lacte ouino, ne possit penetrari pluuia; quod similiter decorant opere polimitario vel plumario.

The iournal of frier William de Rubruquis a French man of the order of the minorite friers, vnto the East parts of the worlde. An. Dom. 1253. 2004

Insuper faciunt quadrangulos de virgulis fissis attenuatis ad quantitatem vnius arc� magn� et postea de vna extremitate ad aliam eleuant testudinem de similibus virgis, et ostiolum faciunt in anteriori extremitate: et postea cooperiunt illam cistam siue domunculam filtro nigro inbuto seuo siue lacte ouino, ne possit penetrari pluuia; quod similiter decorant opere polimitario vel plumario.

The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation 2003