玄孫

Noun

 * 1) great-great-grandson in a male lineage
 * 2)  great-grandson
 * 3) distant descendant

Etymology 1
Shift from yashiwago. Compare a similar contraction process in from.

First attested in 1614.

Noun

 * 1)  a descendant four generations down: a great-great-grandchild, the grandchild of a grandchild

Etymology 2
From. First attested in the  of 720.

Compound of.

Noun

 * 1)   a descendant four generations down: a great-great-grandchild, the grandchild of a grandchild

Etymology 3
Ultimately from.

First attested in Japanese in a portion of the  dated to 701.

Noun

 * 1)  a descendant four generations down: a great-great-grandchild, the grandchild of a grandchild