Etymology

instructional

I1N1S1T1R1U1C3T1I1O1N1A1L1

Today it means: Intended for purposes of instruction, for teaching. Full definition →

Proto-Indo-European *h₂élisder.? ← English instruction ← Middle English instruccioun
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Italic*en
  3. Proto-Italic*en-
  4. Latinin-
  5. Proto-Indo-European*ster-
  6. Proto-Indo-European*sterh₃-
  7. Proto-Indo-European*strew-
  8. Proto-Indo-European*stréweti
  9. Proto-Italic*strowō
  10. Latinstruō
  11. Latinīnstruō
  12. Latinīnstrūctiō
  13. Old Frenchinstruccion
  14. Middle Englishinstruccioun
  15. Englishinstruction
  16. Proto-Indo-European*h₂el-
  17. Proto-Indo-European*h₂élisder.?
  18. English todayinstructional

From instruction + -al.

Etymology from Wiktionary, CC BY-SA 4.0.