- -en [ən, 'n]suffix1. [ME < -en, -ien < OE -nian] forming verbsa) to become or cause to be: added to adjectives [darken, weaken]b) to come to have, cause to have: added to nouns [heighten, hearten, strengthen]2. [ME & OE, akin to L -inus, Gr -inos] forming adjectives made of: added to concrete nouns [wooden, waxen]3. [ME & OE] forming the past participle of strong verbs [risen, written]4. [OE -an] forming the plural of certain nouns [children, oxen]5. [OE] forming the feminine of certain nouns [vixen]6. [OE] forming certain old diminutives [chicken]
English World dictionary. V. Neufeldt. 2014.