My mercy
checed (kheh'-sed)
kindness; by implication (towards God) piety: rarely (by opposition) reproof, or (subject.) beauty
will I keep
shamar (shaw-mar')
to hedge about (as with thorns), i.e. guard; generally, to protect, attend to, etc.
for him for evermore
`owlam (o-lawm')
concealed, i.e. the vanishing point; generally, time out of mind (past or future), i.e. (practically) eternity; frequentatively, adverbial (especially with prepositional prefix) always
and my covenant
briyth (ber-eeth')
a compact (because made by passing between pieces of flesh) -- confederacy, (con-)feder(-ate), covenant, league.
shall stand fast
'aman (aw-man')
to build up or support; to foster as a parent or nurse; figuratively to render (or be) firm or faithful, to trust or believe, to be permanent or quiet; morally to be true or certain
with him
