同僚

1. Origins, structure, and basic meaning

• Structure: 同僚 is read どうりょう.
• Basic usage: It refers to a coworker or colleague in the same workplace or organization.

2. Common pitfalls and similar expressions

• Companion in an action
  • In 同僚と歩く, と marks the companion.
• Subject of the action
  • In 同僚が手伝う, が marks the colleague who provides help.