The definition of a threshold is the entrance or start of something.(noun)
See threshold in Webster's New World College Dictionary
Origin: ME threschwold < OE therscwold (akin to ON threskǫlder) < base of therscan (see thrash) + ?
See threshold in American Heritage Dictionary 4
Origin: Middle English thresshold
Origin: , from Old English therscold, threscold; see terə-1 in Indo-European roots.
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