Etymology

microcontroller

M3I1C3R1O1C3O1N1T1R1O1L1L1E1R1

Today it means: A microcomputer on a single chip, used to control some device such as an automobile engine or a toy. Full definition →

English controller ← Ancient Greek μῑκρο- (mīkro-) ← Proto-Indo-European *mey-der.?
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The story

  1. Proto-Indo-European*mey-der.?
  2. Ancient Greekμῑκρός (mīkrós)
  3. Ancient Greekμῑκρο- (mīkro-)
  4. Englishmicro-
  5. Englishcontroller
  6. English todaymicrocontroller

From micro- + controller.

Etymology from Wiktionary, CC BY-SA 4.0.