noun
sibling of a child with disabilities
Refers to a child who has a sibling with a disability or chronic illness. Used in social welfare and family support contexts.
きょうだい児への支援がもっと必要だ。
More support is needed for siblings of children with disabilities.
彼女はきょうだい児としての経験を語った。
She talked about her experience as a sibling of a child with disabilities.
noun
A less common, general term for a child who is a sibling. The primary meaning is sense 1; this sense may appear in broader or older usage.
この調査では、きょうだい児の関係性に注目した。
This study focused on the relationships among child siblings.
Compound of きょうだい (sibling) and 児 (child). The term likely emerged in social welfare discourse to describe the siblings of children with disabilities.