To be fair, and slightly ashamed of myself, I did not watch changeling.
The child supposed to have been left by the Fairies in the cradle, or elsewhere, was commonly called a changeling.
The changeling inherits, and the process is repeated, step by step.
A little one-off, a changeling without clan or magic of any kind.
What was the dear Pums saying with regard to her changeling?
A winickey child—one which was weak, frail, and peevish—was of the nature of a changeling.
She called Irene a fairy, a changeling, and nothing could soothe her or comfort her.
The changeling was usually an old man, and many were the efforts made to get him to betray his identity.
Irene isn't a changeling at all, and she never had anything to do with the fairies.
Soon was heard the rustle of innumerable fairies, come to dance to the changeling's music.
1550s, "one given to change," from change (n.) + diminutive suffix -ling. Meaning "person or thing left in place of one secretly taken" is from 1560s; specific reference to an infant or young child (usually stupid or ugly) supposedly left by the faeries in place of one they took is from 1580s. An earlier word for it was oaf or auf.