Etymograph

English

semimechanical

Semimechanical comes from Latin mēchanicus ‘engineer’, from Ancient Greek μηχανικός ‘of or pertaining to machines, mechanical’, and ultimately from μηχανή.

  1. Ancient Greekc. 800–300 BCEμηχανή1mēkhanḗ‘contrivance, machine, device, gear’
  2. Ancient Greekc. 800–300 BCEμηχανικός1mēkhanikós‘of or pertaining to machines, mechanical’
  3. Latinc. 75 BCE–200 CEmēchanicus1‘engineer’
  4. Old Frenchc. 842–1400mecanique1
  5. Middle Englishc. 1150–1500mechanic1
  6. Middle Englishc. 1150–1500mechanical1
  7. English1500–presentmechanical1
  8. Englishtodaysemimechanical1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English semimechanical

Earlier history uncertain. See Wiktionary.

Lineage

  1. Ancient Greekc. 800–300 BCEμηχανήWiktionary, English semimechanicalmēkhanḗ‘contrivance, machine, device, gear’
  2. Ancient Greekc. 800–300 BCEμηχανικόςWiktionary, English semimechanicalmēkhanikós‘of or pertaining to machines, mechanical’
  3. Latinc. 75 BCE–200 CEmēchanicusWiktionary, English semimechanical‘engineer’
  4. Old Frenchc. 842–1400mecaniqueWiktionary, English semimechanical
  5. Middle Englishc. 1150–1500mechanicWiktionary, English semimechanical
  6. Middle Englishc. 1150–1500mechanicalWiktionary, English semimechanical
  7. English1500–presentmechanicalWiktionary, English semimechanical
  8. EnglishtodaysemimechanicalWiktionary, English semimechanical

A compound of semi- + mechanical

Proto-Indo-European *sem- ‘one’

Proto-Indo-European *sēmi ‘half’

English semi-

Ancient Greek μηχανή ‘contrivance, machine, device, gear’

…

Latin mēchanicus ‘mechanic’

Old French mecanique

Middle English mechanic

Middle English mechanical

English mechanical

Linked words

through Proto-Indo-European *megʰ- ‘to be able’

may, might, main, yay, mechanism, magician, dismay, mower, mage, magus, yayo, 74 more

through Ancient Greek μηχανή ‘contrivance, machine, device, gear’

machinist, 54 more

through Ancient Greek μηχανικός ‘of or pertaining to machines, mechanical’

biomechanics, 54 more

through Latin mēchanicus ‘engineer’

mechanics, 55 more

through Old French mecanique

mechanic, 38 more

through Middle English mechanical

biomechanical, 33 more

through English mechanical

mechanically, mecha, 33 more

Today it means

adj Somewhat or partly mechanical.

Sources

Sources: Wiktionary, “semimechanical”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Ancient Greek μηχανή / semimechanical

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