shallow end

Translations
мелкий конец (бассейна)
He stayed in the shallow end of the pool.
Он остался на мелком конце бассейна.
Definitions
The shallow end refers to the part of a swimming pool or body of water that has a relatively low depth, making it safer and more accessible for beginners or those who are not strong swimmers.
Words
shallow

adjective
мелкий
end

noun
конец