The name 'Soseki' originated from 'Soseki Chinryu' (rinsing his mouth with a stone and resting his head on a pillow of flowing water), a phrase from a historical event written in "Shinjo" in the Tang dynasty, which is a simile of 'bad loser' and 'perverse person.'
漱石の名は、唐代の『晋書』にある故事「漱石枕流」（石に漱〔くちすす〕ぎ流れに枕す）から取ったもので、負け惜しみの強いこと、変わり者の例えである。