noun
egg soup; egg drop soup
A simple soup made by pouring beaten egg into hot broth, often with a light seasoning. Common in Chinese and Japanese home cooking.
風邪のときは、温かい卵スープが飲みたくなる。
When I have a cold, I want to drink warm egg soup.
中華料理店で卵スープを注文した。
I ordered egg drop soup at the Chinese restaurant.
かきたま汁 is a Japanese-style clear soup with beaten egg, often lighter and more delicate than Chinese-style egg drop soup.
Compound of 卵 (tamago, 'egg') and スープ (sūpu, 'soup'), a straightforward loanword hybrid.