糸鋸いとのこ
itonoko

Noun

1. fretsaw; coping saw; jigsaw

ジグソーとは糸鋸いとのここと、名前なまえ由来ゆらいはそこからきているの。
jigusōtowa itonokono kotode namaeno yuraiwa sokokara kite iruno.
Jigsaw refers to a fret saw - that's how the name's origin was derived.
Other forms: