▪ Jeffery1938: »The word occurs in the Jonah story for the gourd tree which Allah caused to grow up over the Prophet. The reference is obviously to the Biblical story in Jonah iv, 6-11, and
yaqṭīn seems to be an attempt to reproduce the
qîqāyôn of the Hbr story.
1
The word was apparently heard during an oral recitation of the story, and then reproduced from memory in this garbled form.«