lonefundingsource
nounUK /ˌləʊnˈfʌndɪŋsɔːs/
US /ˌloʊnˈfʌndɪŋsɔːrs/
A lone funding source is the only place that gives money for something.
The small library depended on a lone funding source to buy new books.
OTHER MEANINGS
2. The single investor supporting a project with no other contributors.
The startup's lone funding source pulled out, leaving the team without money.
3. A solitary stream of money for a research study.
The scientists worried because their lone funding source could end at any time.
4. The only financial supporter of a community event.
The festival had a lone funding source, so organizers kept costs very low.