The euphemistic plural disappeared at the first syllable from Blanche.
Rakshas means protector, and is, probably, an euphemistic term.
They give it euphemistic and deceitful names—auburn, bronze, Titian.
We may note here the euphemistic tendency to call powerful spirits by propitiatory names.
I do not think this is a euphemistic way of saying he had a good opinion of himself.