Etymology

tentacular

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Today it means: Of, or pertaining to, tentacles. Full definition →

Latin tentāculāris ← Proto-Indo-European *h₂élisder.?
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The story

  1. Latintentō
  2. Latintentāculum
  3. Proto-Indo-European*h₂el-
  4. Proto-Indo-European*h₂élisder.?
  5. Latintentāculāris
  6. English todaytentacular

Borrowed from Latin tentāculāris. By surface analysis, tentacle + -ar.

Etymology from Wiktionary, CC BY-SA 4.0.