Chin
/tʃɪn/noun
The prominent part of the face below the lower lip.
Did you know?The word’s deepest ancestor is tied to the jaw and mouth, showing how ancient languages named facial parts by function long before modern anatomy.
Etymological Timeline
Proto-Indo-European
PIE
*ǵenu-
“jaw, chin”
Proto-Germanic
PGmc
*kinnō
“cheek, jaw area”
Old English
English
cin
“chin, jaw”
Middle English
English
chin
“chin, lower part of the face”
Modern English
English
chin
“the protruding part of the face below the mouth”