From octo-, after the eight endpoints on the perimeter of the symbol, plus a second element of disputed origin.
Used for numerous purposes, such as before a hashtag, for representing “pound” or “pounds” as a unit of weight or mass, for representing “number” or “numbered,” or as a proofreader’s symbol used to indicate the need to insert space.
EXAMPLES OF OCTOTHORPE
The password must include at least one octothorpe for added security.
The code requires an octothorpe to denote a section break.
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Originally from Scots, persnickety is a variant of pernickety, which is of uncertain origin.
The prefix per– occurs in a number of other expressive words in Scots, such as pergaddus, “thump, clatter,” perskeet, “fastidious,” and perjink, “trim, neat.”
EXAMPLES OF PERSNICKETY
Despite his persnickety nature, she found his attention to detail endearing.
The designer’s persnickety attitude ensured that every aspect of the project was perfect.