プール
プール · puuru · JLPT N5 · noun
swimming pool
🏊 puuru = English pool, with a stretched uu and a Japanese r
A loanword from English pool. Japanese has no final l, so it becomes ru, and the long oo is written with the ー length mark: pu-u-ru. In Japanese it means a swimming pool specifically, not the game of pool or a puddle.