Strong's H8107שִׁמֻּר: an observance KJV:× be (much) observed.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 2414: שָׁמַרšāmar — keep, watch, preserve; have charge of, guard, watch for, wait for, observe, retain, restrain, celebrate, reserve; be on one's guard, keep oneself, refrain, abstain, be kept, guarded; those paying regard to false vanities; hedge…