Controversial
来自Big Physics
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late 16th century: from late Latin controversialis, from controversia (see controversy).
wiktionary
Latin controversia(“controversy”) + -al; see controversy.
etymonline
controversial (adj.)
1610s, "subject to controversy;" 1640s, "turning different ways," from Latin controversus "turned against" (see controversy) + -al (1).
controversial (adj.)
1580s, "debatable, disputed," from Late Latin controversialis "pertaining to controversy," from Latin controversia (see controversy). From 1650s as "of or pertaining to controversy."
