minimum (n.)

1660s, "smallest portion into which matter is divisible," a sense now obsolete, from Latin minimum "smallest" (thing), neuter of minimus "smallest, least," superlative of minor "smaller" (from PIE root *mei- (2) "small"). Meaning "smallest amount or degree, least amount attainable" is from 1670s.

minimum (adj.)

"of the smallest possible amount or degree, that is the lowest obtainable," 1810, from minimum (n.).

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