noun
yaksha; Buddhist guardian deity; fierce demon-like warrior
In Buddhism, yakshas are protective deities often depicted with fierce, demonic features. Figuratively, can refer to a fierce or terrifying person.
from Sanskrit yakṣa
金剛夜叉明王は五つの明王の一つです。
Kongō Yasha Myōō is one of the Five Wisdom Kings.
彼女は怒るとまるで夜叉のようだ。
When she gets angry, she's like a yaksha.
From Sanskrit yakṣa, a class of nature-spirits or guardian deities in Hindu and Buddhist mythology. The kanji 夜叉 are phonetic ateji.