In English, we're making a compound adjective so it would be very-old-growth tree.
It's one step short of the German compound noun, and we make it easier to find the fragments...
English is the only language I know of that allows spaces in compound words at all. It's a very peculiar feature of English orthography.
English is the only language I know of that allows spaces in compound words at all. It's a very peculiar feature of English orthography.