Michtam
miktam (mik-tawm')
an engraving, i.e. (techn.) a poem -- Michtam.
of David
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
Preserve
shamar (shaw-mar')
to hedge about (as with thorns), i.e. guard; generally, to protect, attend to, etc.
me O God
'el (ale)
strength; as adjective, mighty; especially the Almighty (but used also of any deity)
for in thee do I put my trust
chacah (khaw-saw')
to flee for protection; figuratively, to confide in -- have hope, make refuge, (put) trust.