Strong’s Hebrew
H8109 — shmurah
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
שְׁמֻרָה
shmurah — pronounced shem-oo-raw
feminine of passive participle of 8104; something guarded, i.e. an eye-lid:--waking. see H08104
1 occurrence in the KJV.
Psalms 77:4
Thou holdest mine eyes waking: I am so troubled that I cannot speak.