Corpus of Electronic Texts Edition
The Voyage of the Hui Corra (Author: Unknown)

section 50

Then they leave that island and began sea-voyaging. Thereafter that a marvellous river in the form of a rainbow23, which rises up into the firmament; and not a drop falls from it until it would fall at the same time again into the sea. And harsh as the noise and the sound thereof, and it appeared not from noon on Saturday till terce on Tuesday, and during that season it had the taste of honey.