I presume it's similar to netsuke.
https://www.google.com/search?client=tablet-android-samsung-ss&hs=pElU&sca_esv=b6b8eb79eb28b6ec&sxsrf=ANbL-n7VBr2Eyq8LeeGHoYHjZNIiBuNrBQ:1772177472561&q=Netsuke+pronunciation&sa=X&ved=2ahUKEwi0lezFk_mSAxUjhv0HHSY8BT4Q1QJ6BAhiEAE&biw=823&bih=1238&dpr=1.75#fpstate=ive&vld=cid:33817eaa,vid:8S-kvZlto7w,st:5