What does the cryptic crossword clue "Skin sizeable amphibian (3)" mean?

The definition is "amphibian". The wordplay uses a deletion. EFT (deletion) + (deletion) = EFT; definition: "amphibian" The answer is EFT.

Skin sizeable amphibian (3)

Times Cryptic #28947 | 7 Down | 2024-06-19 flower