Etymology

sealant

seal·ant
S1E1A1L1A1N1T1

Today it means: Any material used to seal a surface so as to prevent passage of a fluid. Full definition →

English seal ← Middle English sel ← Anglo-Norman see
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The story

  1. Proto-Indo-European*sek-?
  2. Proto-Italic*segnom
  3. Latinsignum
  4. Latinsigillum
  5. Anglo-Normansee
  6. Middle Englishsel
  7. Englishseal
  8. English todaysealant

From seal + -ant.

Etymology from Wiktionary, CC BY-SA 4.0.