attendance (on); chaperonage
attendant; escort; entourage; chaperon; retinue
入院中に付き添いが必要だ。
A companion is needed during the hospital stay.
付き添いなしで外出できるようになった。
She became able to go out without a companion.
手術後の祖母に付き添いながら一晩過ごした。
I spent the night accompanying my grandmother after her surgery.