Tenno is the "Head of the Shinto", Shinto is "ONE LORD", Chapter 6, verse 4 of the fifth Book of Moses: Called Deuteronomy.

"Deut" is the short form for Deuteronomy, which is the short form for The Fifth Book of Moses: Called Deuteronomy.

Deuteronomy 6:4 Hear, O Is-rae-l: The LORD our God is one LORD:

Osorosi is, "Great and Terrible"; "Great Terror".

Deuteronomy 10:21 He is thy praise, and he is thy God, that hath done for thee these great and terrible things, which thine eyes have seen.

Deuteronomy 34:12 And in all that mighty hand, and in all the great terror which Moses shewed in the sight of all Israel.

"Poo" : Flower
"Pooja": Worship
The "Re" sound is "Yin", femminine, the root of "Rex" in Latin, "King" in English, Tenno.

"Na" I AM ... me
"Ta" 
"Ra" ... the Sun ... THAT, in English, as in, I AM THAT I AM: Narayana.
"Ja"
Raja ... "Yang" ... Tenno.

NATARAJA ... stomping on the ground Tenno.