How do I solve 22 down in Times Cryptic 29564?

Question

Accepted Answer

22 down reads "Poet billions associated with Windermere?" (5 letters); the answer is BLAKE. It's a charade: the answer breaks into parts in clue order, each part clued by a word or short phrase. No indicators needed; watch for standard abbreviations (RA = artist, US = American, IN = at home) and short synonyms. The full step-by-step breakdown is on this page.

Poet billions associated with Windermere? (5)

22D — Poet billions associated with Windermere? (5) — BLAKE