To close; archaic or dialectal form of the verb close.
Archaic or dialectal past participle of 'close'; represents older English grammar where many verbs had '-en' endings (like 'frozen,' 'broken').
Words like 'closen' are linguistic fossils—they show us that 'close' used to conjugate like 'freeze' (closed/closen), but over time English simplified these irregular verbs.
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