Marginal
来自Big Physics
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late 16th century: from medieval Latin marginalis, from margo, margin- (see margin).
wiktionary
Borrowing from Medieval Latin marginālis.
etymonline
marginal (adj.)
1570s, "written or printed on the margin of a page," from Medieval Latin marginalis, from Latin margo "edge, brink, border, margin" (see margin (n.)). Sense of "of little effect or importance" first recorded 1887. Related: Marginally.
