I will wash
rachats (raw-khats')
to lave (the whole or a part of a thing) -- bathe (self), wash (self).
mine hands
kaph (kaf)
the hollow hand or palm (so of the paw of an animal, of the sole, and even of the bowl of a dish or sling, the handle of a bolt, the leaves of a palm-tree); figuratively, power
in innocency
niqqayown (nik-kaw-yone')
clearness -- cleanness, innocency.
so will I compass
cabab (saw-bab')
to revolve, surround, or border; used in various applications, literally and figuratively (as follows)
thine altar
mizbeach (miz-bay'-akh)
an altar -- altar.
O LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.