Able to exercise, speak, etc., for a prolonged period without becoming out of breath; having strong or powerful lungs; not easily exhausted, untiring; (hence occasionally) healthy.
Origin
Late Middle English. From well + winded. Compare well-breathed.
Definition of well-winded in US English:
well-winded
adjectiveˌwɛlˈwɪndɪd
rare
Able to exercise, speak, etc., for a prolonged period without becoming out of breath; having strong or powerful lungs; not easily exhausted, untiring; (hence occasionally) healthy.
Origin
Late Middle English. From well + winded. Compare well-breathed.