Continuum
来自Big Physics
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mid 17th century: from Latin, neuter of continuus (see continuous).
wiktionary
Borrowed from Latin continuum, neuter form of continuus, from contineō(“contain, enclose”).
etymonline
continuum (n.)
1640s, "a continuous spread or extension, a connection of elements as intimate as that of the instants of time," from Latin continuum "a continuous thing," neuter of continuus "joining, connecting with something; following one after another," from continere (intransitive) "to be uninterrupted," literally "to hang together" (see contain). The plural is continua.