Strong's #2676: chatsowth (pronounced khaw-tsoth')
from 2673; the middle (of the night):--mid(-night).
Brown-Driver-Briggs Hebrew Lexicon:
châtsôth
1) middle, mid-, half, division
Part of Speech: noun feminine
Relation: from H2673
Usage:
This word is used 3 times:
Exodus 11:4: "Thus saith the LORD, About midnight will I go out into the midst"
Job 34:20: "shall they die, and the people shall be troubled at midnight, and the mighty shall be taken away"
Psalms 119:62: " At midnight I will rise to give thanks unto thee because of thy righteous"