Let thy tender mercies
racham (rakh'-am)
compassion (in the plural); by extension, the womb (as cherishing the fetus); by implication, a maiden
come
bow' (bo)
to go or come (in a wide variety of applications)
unto me that I may live
chayah (khaw-yaw')
to live, whether literally or figuratively; causatively, to revive
for thy law
towrah (to-raw')
a precept or statute, especially the Decalogue or Pentateuch -- law.
is my delight
sha`shua` (shah-shoo'-ah)
enjoyment -- delight, pleasure.