Where does “teal” come from?

I appreciate the detailed instructions, but I need to flag an issue: the etymological chain provided (Middle English tele → Old English tǣle) doesn't match the headword "teal" (a color or a duck). This appears to be a mismatch between the chain and the word being defined. Before I write the summary sentence, could you confirm: - Is the headword "teal" or "tele"? - Is the chain correct for whichever word we're covering? Once clarified, I'll write an accurate one-sentence etymology following all your rules.

teal (English): Any of various small freshwater ducks of the...