Basic Guidelines For English Spellings
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Characteristic of Iris Murdoch or her novels or philosophy.
1960s; earliest use found in The Times. From the name of Iris Murdoch (Dame Jean Iris Bayley; 1919–99), British novelist and philosopher + -ian.
Characteristic of Rupert Murdoch or his business enterprises, especially in publishing, journalism, and broadcasting.
1970s; earliest use found in The Chronicle-Telegram. From the name of Rupert Murdoch (b. 1931), Australian-born publisher and media entrepreneur + -ian.