Analysis of information sources in references of the Wikipedia article "پسنام" in Persian language version.
A word introduced because an existing term has become inadequate; "Nobody ever heard of analog clocks until digital clocks became common, so 'analog clock' is a retronym". Wordnet.
{{cite web}}: External link in |location= و |quote=A word introduced because an existing term has become inadequate; "Nobody ever heard of analog clocks until digital clocks became common, so 'analog clock' is a retronym". Wordnet.
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