. The term does not appear, for example, in the 1971 edition of the Oxford English DictionaryOxford English Dictionary. Oxford University Press. 1971. էջ 343. LCCN76-188038.
The obsolete term "childerless", meaning "without children" is given, for example in Oxford English Dictionary. Oxford University Press. 1971. էջ 343. LCCN76-188038.