付き添う

1. Origins, structure, and basic meaning

• Structure: 付き添う (つきそう) is a godan verb for accompanying and staying beside someone who needs help or reassurance.
• Basic usage: 祖父に付き添った reports a mother attending her grandfather during an examination, while 友人に付き添う describes accompanying an anxious friend to the hospital.

2. Common pitfalls and similar expressions

• Particle marking the accompanied person
  • In both 祖父に付き添う and 友人に付き添う, the person attended is marked by に. The verb includes staying nearby to help, not merely traveling to the same hospital.