Yasha

(Sanskrit यक्ष) or Yakkha (Pāli यक्ष) is the name of a broad class of nature-spirits, usually benevolent, who are caretakers of the natural treasures hidden in the earth and tree roots. They appear in Hindu, Jain and Buddhist mythology. The feminine form of the word is or (Pāli: yakkhī or yakkhinī).
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n. Yasha, male first name

[Japanese] A vampire-bat from Japanese mythology. It is believed that it is the spirit of a woman whose anger lowered her status in rebirth. 

Zamyad Yasht, Zamdat (Avestan) Zamik (Pahlavi) Zami (Persian) [from zam Avestan zam earth + yad that which earth has begot + yasht an act of worship, a Zoroastrian scripture] The 19th Yasht in the extant Zoroastrian scriptures, the Yashts generally being writings in which the Izeds are praised. This Yasht is inscribed to the genius of the earth, Spenta Armaiti. Its third section is devoted to the Amesha Spentas.
The 28th day of the month in the old Iranian calendar.