A small portion or minimal amount; often historically referring to a small meat dish or a minor harshness.
From 'harsh' plus the diminutive suffix '-let,' which makes nouns smaller or less important (like 'booklet' or 'droplet'). The word is quite archaic and rarely used in modern English.
The '-let' suffix is how English turns big things into small versions—a 'harshlet' would be a tiny bit of harshness, just like how a 'booklet' is a tiny book, though this word has mostly vanished from use.
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