膝下

1. Origins, structure, and basic meaning

• Structure: 膝下(しっか) is a formal expression for being at one's parents' side or under their protection.
• Basic usage: It is used for growing up in parental care or leaving it to live independently.

2. Common pitfalls and similar expressions

• Reading depends on context
  • 膝下(ひざした) refers to the part of the body below the knee.
  • This entry, referring to parental care, is read しっか.
• を with what someone leaves
  • In 親の膝下を離れ, を marks the place or protective relationship being left.