IPA: /ˌdɪsəˈbɪləti/
KK: /dɪsəˈbɪləti/
A condition that makes it difficult for someone to do certain activities or tasks, often due to a physical or mental impairment.
She has a disability that affects her ability to walk.
Disability is formed from "dis-" (meaning apart or away) and "habilis" (from Latin, meaning able or fit). The word describes a condition that takes away the ability to perform certain tasks or functions.
Think of 'dis-' meaning apart and 'habilis' meaning able — this helps you remember that disability refers to being apart from the ability to do something.