affix
noun/ˈæfɪks/
/ˈæfɪks/
(grammar)- a letter or group of letters added to the beginning or end of a word to change its meaning. The prefix un- in unhappy and the suffix -less in careless are both affixes.Topics Languagec1Word Originlate Middle English: from Old French affixer or medieval Latin affixare, frequentative of Latin affigere, from ad- ‘to’ + figere ‘to fix’.
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