minimum
n.
1660s, "smallest portion into which matter is divisible," from Latin minimum "smallest" (thing), neuter of minimus "smallest, least," superlative of minor "smaller" (see minor). Meaning "least amount attainable" is from 1670s.
adj.
1810, from minimum, n..
〔蒋〕[mini=small，little小(mini也作min)，-um名词后缀] 最小量