New King James Version (NKJV)
“8 “Remember the Sabbath day, to keep it ‘holy’ (kodesh: [a] consecrated (thing), [a] dedicated (thing), etc.).”
Strong’s Hebrew Lexicon:
Holy: 6944 qodesh ko’-desh from 6942; a sacred place or thing; rarely abstract, sanctity:-–consecrated (thing), dedicated (thing), hallowed (thing), holiness, (X most) holy (X day, portion, thing), saint, sanctuary.