Thy throne
kicce' (kis-say')
covered, i.e. a throne (as canopied) -- seat, stool, throne.
O God
'elohiym (el-o-heem')
angels, exceeding, God (gods)(-dess, -ly), (very) great, judges, mighty.
is for ever
`owlam (o-lawm')
concealed, i.e. the vanishing point; generally, time out of mind (past or future), i.e. (practically) eternity; frequentatively, adverbial (especially with prepositional prefix) always
and ever
`ad (ad)
a (peremptory) terminus, i.e. (by implication) duration, in the sense of advance or perpetuity (substantially as a noun, either with or without a preposition)
the sceptre
shebet (shay'-bet)
a scion, i.e. (literally) a stick (for punishing, writing, fighting, ruling, walking, etc.) or (figuratively) a clan -- correction, dart, rod, sceptre, staff, tribe.
of thy kingdom
malkuwth (mal-kooth')
a rule; concretely, a dominion -- empire, kingdom, realm, reign, royal.
is a right
miyshowr (mee-shore')
equity, even place, plain, right(-eously), (made) straight, uprightness.
sceptre
shebet (shay'-bet)
a scion, i.e. (literally) a stick (for punishing, writing, fighting, ruling, walking, etc.) or (figuratively) a clan -- correction, dart, rod, sceptre, staff, tribe.