Etymology

megaplastic

me·ga·plas·tic
M3E1G2A1P3L1A1S1T1I1C3

Today it means: Particles or pieces of waste plastic above 50 cm (19.69 in) in size, a common marine pollutant. Full definition →

English plastic ← Latin plasticus ← Ancient Greek πλᾰστῐκός (plăstĭkós)
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The story

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Proto-Hellenic*plátʰyō
  6. Proto-Hellenic*plát͏̌t͏̌ō?
  7. Ancient Greekπλάσσω (plássō)
  8. Ancient Greekπλᾰστῐκός (plăstĭkós)
  9. Latinplasticus
  10. Englishplastic
  11. English todaymegaplastic

From mega- + plastic.

Etymology from Wiktionary, CC BY-SA 4.0.