Ucchuşma (English spelling) Ucchusma

…It is a transliteration of Sanskrit Ucchuṣma, and originally referred to Agni, the god of fire, in India. It is also written as Ussema, and is called Fukakaku Vajra, Kato Vajra, Ketsuku Vajra, Fujo Vajra, and Sensaku Vajra. He is mainly worshipped as a Myo-o with the miraculous power to burn away all impurities and evil, and as a deity who cleanses the dirt of corpses, the place where women give birth, and animal blood, and in Shingon and Zen Buddhism he is often worshipped as the guardian deity of the toilet, or Tosu. In Esoteric Buddhism, he is called the Ukusama Henjiyōnshi no Ho (Henjiyōnshi) and was believed by the aristocratic society as a secret method to change a girl in the womb into a boy before birth. …

*Some of the terminology explanations that mention "Ucchuşma" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…サンスクリットUcchuṣmaの音訳語で，インドでは元来火の神アグニを指した。烏枢瑟摩とも書き，不浄潔金剛，火頭金剛，穢積(迹)金剛，不壌金剛，受触金剛ともいう。いっさいの不浄や悪を焼きつくす霊験のある明王として，死体や婦人の出産所，動物の血の汚れを祓う尊としての信仰が主流で，真言宗や禅宗では東司（とうす）すなわち便所の守護神としてまつられている場合が多い。また密教では烏蒭沙摩変成男子（へんじようなんし）の法と称し，出産前に胎内の女児が変じて男子となる秘法として貴族社会に信仰された。…

※「Ucchuşma」について言及している用語解説の一部を掲載しています。

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