Past tense of 'enfonce'; forced or thrust something with strength.
Regular past tense form of 'enfonce' (itself rare), created by adding the '-ed' suffix. Both the root word and its past tense are archaic.
Almost no one uses this word anymore, but you might find it in Middle English texts describing knights who 'enfonced' their lances through armor. It's the kind of historical word that shows us how violence and warfare shaped old English vocabulary.
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