Etymology

spectrophotometrically

Today it means: By using spectrophotometry. Full definition →

Proto-Germanic *līką ← Proto-Indo-European *leyg- ← English spectrophotometric
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The story

  1. Proto-Indo-European*speḱ-
  2. Proto-Indo-European*spéḱyeti
  3. Proto-Italic*spekjō
  4. Latinspeciō
  5. Latinspectrum
  6. Englishspectrum
  7. Englishspectro-
  8. Englishphotometric
  9. Englishspectrophotometric
  10. Proto-Indo-European*h₂el-
  11. Proto-Indo-European*h₂élisder.?
  12. Proto-Indo-European*leyg-
  13. Proto-Germanic*līką
  14. English todayspectrophotometrically

From spectrophotometric + -ally.

Etymology from Wiktionary, CC BY-SA 4.0.