Etymology

exolabial

E1X8O1L1A1B3I1A1L1

Today it means: Of a form of vowel rounding, in which the corners of the mouth are drawn slightly together and the lips may be compressed horizontally, but the lips do not protrude and only their outer surface is exposed. Full definition →

English labial ← Medieval Latin labiālis ← Latin labium
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The story

  1. Ancient Greekἐκ (ek)
  2. Ancient Greekἔξω (éxō)
  3. Englishexo-
  4. Proto-Indo-European*leb-
  5. Proto-Indo-European*l̥b-yóm
  6. Proto-Italic*labjom
  7. Latinlabium
  8. Medieval Latinlabiālis
  9. Englishlabial
  10. English todayexolabial

From exo- + labial.

Etymology from Wiktionary, CC BY-SA 4.0.