-en

Suffix

Suffix
-en

(Forms verbs from adjectives or nouns) To make, become, or cause.
We need to widen the road to fit more cars.

The sky begins to darken at dusk.
(Forms adjectives from nouns) Made of a particular material.
She wore a golden crown.

He used an oaken table in the dining room.
(Forms past participles) In some irregular verbs, -en is added to form the past participle.
He has spoken to the group.

The bread was eaten by the birds.