source

source¹ W1S2 [so:s US so:rs] n

[Date: 1300-1400; : Old French; Origin: sourse, from sourdre 'to rise, spring out', from Latin surgere; SURGE¹]

1.) a thing, place, activity etc that you get something from

▪ They get their money from various sources.

source of

▪ a useful source of information

▪ Beans are a very good source of protein.

▪ For me, music is a great source of enjoyment.

major/primary/main source of sth

▪ the country's main source of income

energy/food/light source

▪ relatively clean energy sources

at source BrE

▪ Is your pension taxed at source (=before it is paid to you) ?

2.) the cause of something, especially a problem, or the place where it starts

source of

▪ We've found the source of the trouble.

▪ The recent name change has been the source of some confusion.

3.) a person, book, or document that supplies you with information

▪ List all your sources at the end of your essay.

▪ I've heard from reliable sources that the company is in trouble.

4.) the place where a stream or river starts

5.) technical source code

source ²

source² v [T] technical

1.) if goods are sourced from a particular place, they are obtained from that place

source from

▪ Fish for the restaurant is sourced daily from British ports.

▪ locally sourced milk

2.) to find out where something can be obtained

▪ We might be able to source the parts.