In Arabic its name literally means "man of wool." What
Islamic sect is it?
Etymology, Etymology, and more Etymology
as well as grammar, usage, euphemism, slang, jargon, semantics, linguistics, neologism, idiom, cant, and argot.

The critically-acclaimed board game
MooT
consists of tough questions about the nuances of the English language.
Answer:
the Sufis
The word Sufi means "man of wool" in
Arabic. It ultimately derives from the Arabic suf, wool.
The Sufis are a Muslim sect of ascetic mystics (i.e.,
they are not shop-aholics) who got their name because they wear woolen garments
(labs-as-suf) as one demonstration of their religious
devotion.
According to the Oxford English
Dictionary, the first known appearance of the word in English writing
is from 1653 -- from Greaves Seraglio "Those Turks which
would be accounted Sofees ... do commonly read, as they walk
along the streets."
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