glottis
n.
"mouth of the windpipe, opening at the top of the larynx," 1570s, from Greek glottis "mouthpiece of a pipe," from glotta, Attic dialect variant of glossa "tongue" (see gloss, n.2).
〔李〕[glott;-isn.] n.声门 ←gloss,glott (GK glossa,glotta)=tongue, word 舌,言