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deduce = 1. arrive at (a fact or a conclusion) by reasoning; draw as a logical conclusion:

educe = 1.1. infer (something) from data:

induce = 4. Logic derive by inductive reasoning:

Would someone please explain how [each prefix + suffix -duce] induces or implies their modern meanings (assuming no etymological fallacy)? Since their prefixes differ, I scruple to believe in the equivalence of these particular definitions.

For example, de = from. Does this comport with deduction as a top-down approach ?
Whence does from originate?

Moreover, based on this suffix, what general lessons or patterns or shared properties can be deduced about all these words?

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  • There is also adduce, reduce, conduce, and transduce. Using the past participle of the verb (-duct instead of -duce), we get a whole separate set of verbs: abduct, adduct, deduct, conduct, and induct. The Indo-European root that underlies the Latin verb dūcere (*deuk- ‘draw, pull, lead’) is also behind such native English words as tie, tow, tug, taut, and even team. Feb 8, 2014 at 10:22

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The suffix in question is actual dūcere, which Latin for to lead

Source: The Free Dictionary which says

Deduce comes from:

Middle English deducen, from Latin dēdūcere, to lead away or down : dē-, de- + dūcere, to lead; see deuk- in Indo-European roots.

Educe comes from:

Middle English educen, to direct the flow of, from Latin ēdūcere: ē-, ex-, ex- + dūcere, to lead; see deuk- in Indo-European roots.

and induce comes from:

Middle English inducen, from Old French inducer, from Latin indūcere: in-, in; see in-2 + dūcere, to lead; see deuk- in Indo-European roots.

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