Feminine of H4141; a {reversal} that {is} the backside (of a {gem}) fold (of a double leaved {door}) transmutation (of a name): - being {changed} {inclosed} be {set} turning.
2Ch 8:16Now all the work of Solomon was prepared unto the day of the foundationH4143 of the house of the LORD, and until it was finished. So the house of the LORD was perfected.
Isa 28:16¶ Therefore thus saith the Lord GOD, Behold, I lay in Zion for a foundation a stone, a tried stone, a precious corner stone, a sure foundationH4143: he that believeth shall not make haste.