For Kerala style puja done by priest, the following mantra is chanted before undertaking the puja which is a mix of Vaidik and tantrik style.
susharmasi supratishthano brihadukshe namah: Esha thayoni vishebhyastha devebhya:
सुशर्मासी सुप्रतिष्ठानो बृहदुक्षे नमः ऐषतयोनि विशेभ्यस्त देवेभ्य:
Please explain the meaning and purpose of the above mantra. If not, word by word translation may be given.