Most clerk-like; the superlative form, meaning most characteristic of or resembling a clerk (superlative form).
From 'clerkly' (adjective) plus the superlative suffix '-est' (used for the extreme form, like tallest, fastest, or happiest).
The superlative '-est' is one of the oldest grammatical features in English, inherited directly from Germanic languages spoken over 1,500 years ago, making it a linguistic fossil from deep history.
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