watch (Hebrew #8108)

Psalm
141:3  Set
shiyth (Hebrew #7896)
to place (in a very wide application)
KJV usage: apply, appoint, array, bring, consider, lay (up), let alone, X look, make, mark, put (on), + regard, set, shew, be stayed, X take.
Pronounce: sheeth
Origin: a primitive root
a watch
shomrah (Hebrew #8108)
watchfulness
KJV usage: watch.
Pronounce: shom-raw'
Origin: feminine of an unused noun from 8104 meaning a guard
, O Lord
Yhovah (Hebrew #3068)
(the) self-Existent or Eternal; Jehovah, Jewish national name of God
KJV usage: Jehovah, the Lord. Compare 3050, 3069.
Pronounce: yeh-ho-vaw'
Origin: from 1961
, before my mouth
peh (Hebrew #6310)
the mouth (as the means of blowing), whether literal or figurative (particularly speech); specifically edge, portion or side; adverbially (with preposition) according to
KJV usage: accord(-ing as, -ing to), after, appointment, assent, collar, command(-ment), X eat, edge, end, entry, + file, hole, X in, mind, mouth, part, portion, X (should) say(-ing), sentence, skirt, sound, speech, X spoken, talk, tenor, X to, + two-edged, wish, word.
Pronounce: peh
Origin: from 6284
; keep
natsar (Hebrew #5341)
to guard, in a good sense (to protect, maintain, obey, etc.) or a bad one (to conceal, etc.)
KJV usage: besieged, hidden thing, keep(-er, -ing), monument, observe, preserve(-r), subtil, watcher(-man).
Pronounce: naw-tsar'
Origin: a primitive root
the door
deleth (Hebrew #1817)
something swinging, i.e. the valve of a door
KJV usage: door (two-leaved), gate, leaf, lid. (In Psa. 141:3, dal, irreg.).
Pronounce: deh'-leth
Origin: from 1802
of my lips
saphah (Hebrew #8193)
probably from 5595 or 8192 through the idea of termination (compare 5490); the lip (as a natural boundary); by implication, language; by analogy, a margin (of a vessel, water, cloth, etc.)
KJV usage: band, bank, binding, border, brim, brink, edge, language, lip, prating, ((sea-))shore, side, speech, talk, (vain) words.
Pronounce: saw-faw'
Origin: or (in dual and plural) sepheth {sef-eth'}
.