Ayurvasita/Ayurvashita/Ayus-vashita/Āyurvaśitā/आयुर्वशिता

Mistress of life,
discipline and control dwelling;
Mistress of life:
Your vigor helps us to meet strife.
In perfum'd bliss now residing,
all devotees edifying
Mistress of life. 

Source: 
Wisdom Library. https://www.wisdomlib.org/definition/ayurvashita