intelligence
1390, "faculty of understanding," from O.Fr. intelligence (12c.), from L. intelligentia "understanding," from intelligentem (nom. intelligens) "discerning," prp. of intelligere "to understand, comprehend,"
from inter- "between" + legere "choose, pick out, read" (see lecture). Meaning superior understanding, sagacity" is from c.1430. Sense of "information, news" first recorded c.1450, especially "secret information from spies" (1587). Intelligent is a 1509 back-formation; Intelligentsia "the intellectual class collectively" is 1907, from Rus. intelligyentsia, from Latin. Intelligence quotient first recorded 1922 (see I.Q.).
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