Because thou hast been my help
`ezrah (ez-raw')
aid -- help(-ed, -er).
therefore in the shadow
tsel (tsale)
shade, whether literal or figurative -- defence, shade(-ow).
of thy wings
kanaph (kaw-nawf')
an edge or extremity; specifically (of a bird or army) a wing, (of a garment or bed-clothing) a flap, (of the earth) a quarter, (of a building) a pinnacle
will I rejoice
ranan (raw-nan')
to creak (or emit a stridulous sound), i.e. to shout (usually for joy)