(someone's) means of support

Translations
средства (чьего-либо) существования
His job is his only means of support.
Его работа — это его единственные средства существования.
Definitions
The way in which someone earns a living or obtains the resources necessary to live, such as a job, business, or other source of income.
Words
someone

pronoun
кто-то
s

pronoun
чьи-то
means

noun
средства
of

preposition
для
support

noun
содержания