noun
sake cup; small cup for drinking sake
A small cup, typically ceramic, used for drinking sake. The word is polite (お + ちょこ) and very common in everyday conversation about drinking.
See also: ちょこ
おちょこに日本酒を注いで乾杯した。
We poured sake into the small cups and made a toast.
この
These sake cups are handmade pottery, and each one has a different shape.
The word おちょこ is a polite form of ちょこ, which is believed to be derived from the Korean word 'chonggu' (종구) meaning a small cup, or possibly from the Japanese onomatopoeia ちょこん (chokon) suggesting something small and cute. The exact origin is uncertain.