noun
ground stone tool from the late Jomon period
Archaeological term. Named for its resemblance to a Buddhist tokko (vajra). Used in discussions of Jomon-era artifacts.
See also: 独鈷
この遺跡からは独鈷石が多数出土している。
Many ground stone tools from the late Jomon period have been excavated from this site.
独鈷石は、仏具の独鈷に形が似ていることから名付けられた。
The name 'tokkoishi' comes from its resemblance to the Buddhist ritual implement called a tokko.