A formal or archaic term meaning 'on this' or 'concerning this matter,' used in legal and formal documents.
From 'here' (this) and 'on' (concerning). An archaic formation that was common in Middle English and is still occasionally used in very formal legal contexts.
'Hereon' is perfect for lawyers because it's ultra-specific—'we commented hereon' means we're talking about THIS exact thing, not something vague and general!
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