The state or condition of being covered with mire; the act of soiling or muddying something.
From 'bemire' plus the suffix '-ment,' which creates nouns from verbs, indicating a state or result. Shows how '-ment' suffixes could be added to 'be-' verbs to create abstract nouns.
The '-ment' suffix (like in 'amazement,' 'pavement') was the medieval English favorite for turning actions into nouns—'bemirement' is the dirty outcome of someone's bemiring you.
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