孫まご息子むすこ

noun

grandson

Rare term; the usual word for 'grandson' is simply 孫 (まご). This compound explicitly specifies a male grandchild.

• 「孫まご息子むすこ」という言いい方かたはあまり使つかわれず、普ふ通つうは「孫まご」で十じゅう分ぶんです。

  The expression 孫息子 is rarely used; normally 孫 is sufficient.