English
sharpchin
sharp + chin
Proto-Indo-European *(s)ker- ‘to cut’
…
Proto-Germanic *skarpaz ‘sharp’
Proto-West Germanic *skarp ‘sharp’
Old English sċearp ‘sharp’
Middle English scharp ‘sharp’
English sharp
Proto-Indo-European *ǵénus ‘chin, jaw’
Proto-Germanic *kinnuz
Proto-West Germanic *kinnu ‘chin, jaw’
Old English ċinn
Middle English chyn ‘the chin or jawline’
English chin
Today it means
adj Used in the names of various fishes having sharp chins.
Sources
Sources: Wiktionary, “sharpchin”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / sharpchin