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https://www.vocabulary.com/dictionary/nigh

"Nigh is an old-fashioned word that can be used as an adjective or adverb to mean near or nearly. Something that is nigh impossible — like knitting a sweater in one night — will be very difficult to accomplish."

I see. Thank you dear. Very interesting post... I will take the time later to post my thought about it.

I look forward to it.