"Subsisting solely" means to exist or live entirely on something. It implies that something is the only source of sustenance, support, or maintenance.

Here's a breakdown:

* Subsisting: This means to exist, survive, or maintain oneself.

* Solely: This means only, exclusively, or without any other means.

Examples:

* "The tribe subsists solely on the hunt for wild animals."

* "He subsists solely on a diet of fruits and vegetables."

* "The company subsists solely on the profits from its online sales."

In essence, "subsisting solely" implies a state of complete reliance on a single source for survival or function.