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introduce [introduce 词源字典]: introduce: [16] Introduce means etymologically ‘lead inside’. It was borrowed from Latin intrōdūcere ‘lead in’, a compound verb formed from the prefix intrō- ‘in, inside’ and dūcere ‘lead’ (source of English duct, duke, educate, produce, etc). Of its main secondary meanings, ‘use for the first time, originate’ emerged in Latin but ‘make known personally to others’ seems to have been a later development.
=> duct, duke, educate, produce[introduce etymology, introduce origin, 英语词源]
introduce (v.): early 15c., back-formation from introduction, or else from Latin introducere "to lead in, bring in" (see introduction). Related: Introduced; introducing.
introduction (n.): late 14c., "act of bringing into existence," from Old French introduccion and directly from Latin introductionem (nominative introductio) "a leading in," noun of action from past participle stem of introducere "to lead in, bring in, to introduce," from intro- "inward, to the inside" (see intro-) + ducere "to lead" (see duke (n.)). Meaning "initial instruction in a subject; an introductory statement" is mid-15c. The sense of "formal presentation of one person to another" is from 1711.
introductory (adj.): c. 1600, from Late Latin introductorius, from introduct-, past participle stem of introducere "to lead in, bring in" (see introduction). Also used in English from c. 1400 as a noun meaning "introductory treatise or textbook."