glottis

the word 'glottis' entered english in the late 16th century via modern latin, directly from the ancient greek 'glōttis', which derives from 'glōtta', meaning 'tongue'. in greek anatomical terminology, the term was applied to the vocal apparatus, reflecting the tongue's central role in speech production. the modern, specialized medical sense refers specifically to the vocal aperture, demonstrating a semantic narrowing from a broader association with the tongue and utterance. the latin '-is' suffix was adopted to standardize it as a anatomical noun in scientific vocabulary.

Structure: glott (tongue) + is (noun suffix) glott (from greek 'glōtta' or 'glōssa', meaning 'tongue'); is (a latin suffix used to form nouns, often indicating a body part or structure).