Meaning of -EN in English
suffix forming verbs:
1. from adjectives, usu. meaning 'make or become so or more so' (deepen; fasten; moisten).
2 from nouns (happen; strengthen).
Etymology: OE -nian f. Gmc 2.
suffix (also -n) forming adjectives from nouns, meaning:
1. made or consisting of (often with extended and figurative senses) (wooden).
2 resembling; of the nature of (golden; silvern).
Etymology: OE f. Gmc 3.
suffix (also -n) forming past participles of strong verbs:
1. as a regular inflection (spoken; sworn).
2 with restricted sense (drunken).
Etymology: OE f. Gmc 4.
suffix forming the plural of a few nouns (children; brethren; oxen).
Etymology: ME reduction of OE -an 5.
suffix forming diminutives of nouns (chicken; maiden).
Etymology: OE f. Gmc 6.
1. forming feminine nouns (vixen).
2 forming abstract nouns (burden).
Etymology: OE f. Gmc
Oxford English vocab. Оксфордский английский словарь. 2012