すみません | Origin, meaning, history, and differences from ごめんなさい and 申し訳ありません
What does すみません (sumimasen) really mean? A complete analysis of its origin from 済む, its historical development, grammatical structure, modern usage, register, and emotional nuances. With an in-depth comparison with すまない, ごめん, ごめんなさい, and 申し訳ありません.