Productive
来自Big Physics
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early 17th century: from French productif, -ive or late Latin productivus, from product- ‘brought forth’, from the verb producere (see produce).
wiktionary
Borrowed from Late Latin productivus.
etymonline
productive (adj.)
1610s, "serving to produce," from French productif (16c.) and directly from Medieval Latin productivus "fit for production," from Latin product-, past-participle stem of producere "bring forth" (see produce (v.)). Meaning "fertile, producing abundantly" is by 1706. Related: Productively; productiveness.