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雷鈷 (らいこ) Japanese meaning | Kotomora

雷らい鈷こ

Meanings

1

noun

ground stone tool from the late Jomon period

Archaeological term for a specific type of stone implement; compare with 独鈷石 (どっこいし).

See also: 独鈷石

この遺い跡せきからは、縄じょう文もん時じ代だい晩ばん期きの雷らい鈷こが出しゅつ土どした。
A ground stone tool from the late Jomon period was excavated from this site.

Kanji

雷thunder, lightning bolt
鈷cobalt

Similar words

独とっ鈷こ石いし
独鈷石 is a similar stone tool, but 雷鈷 is specifically from the late Jomon period and may differ in shape or usage.

Etymology

The term 雷鈷 (らいこ) is composed of 雷 (thunder) and 鈷 (a type of ritual implement). The exact origin of the name is uncertain; it may refer to a perceived resemblance to a thunderbolt or to a ritual object.