saura (þ) adj. "foul, evil-smelling, putrid" (THUS), "foul, vile" (PE17:183). This adjective underlies the name Sauro, Sauron (q.v.) Alternatively explained to mean "cruel" (PE17:184); a deleted gloss defined the word as "bad, unhealthy, ill, wretched" (PE17:172). Tolkien did not consistently hold that the initial s represents older þ; sometimes he derived saura (and so implicitly Sauron) from stems with original s-.
sauraadjective. bad, unhealthy, ill, wretched, cruel, evil, vile, foul, vile, stinking, foul, stinking, foul, evil
saurafoul, evil-smelling, putrid