べき根 (べきこん, bekikon) Japanese meaning: nth root | KotomoraWe use the laws of exponents to calculate nth roots.
冪根
Older kanji spelling using 冪 (べき, 'power'), now largely replaced by べき根.
Etymology
Compound of べき (power) and 根 (root). The kanji 冪 is an older character for 'power' that has been largely replaced by kana in modern usage.