what

1. Origins, structure, and basic meaning

• Structure: The on reading is な, and no kun reading is listed. It has 7 strokes and relates to use in fixed modern compounds with distinct meanings.
• Basic usage: 旦那 is read だんな, and 刹那 is read せつな.

2. Common pitfalls and similar expressions

• 旦那 / 刹那
  • 旦那 means husband or master and is read だんな. Depending on context, it refers to a husband or the master of a shop.
  • 近所の人が彼女の旦那を祭りに誘った。 means “A neighbor invited her husband to the festival.”
  • 刹那 means instant or split second and is read せつな. It refers to a very brief instant, such as the moment a door opens.
  • 扉が開いた刹那、冷たい風が吹き込んだ。 means “The instant the door opened, cold air blew in.”