For this our heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
is faint
daveh (daw-veh')
sick (especially in menstruation) -- faint, menstruous cloth, she that is sick, having sickness.
for these things our eyes
`ayin (ah'-yin)
an eye; by analogy, a fountain (as the eye of the landscape)
are dim
chashak (khaw-shak')
to be dark (as withholding light); transitively, to darken -- be black, be (make) dark, darken, cause darkness, be dim, hide.
