King James Version (KJV) Authorized Version 1611
Read Full Chapter (Exodus 17)

Exodus 17:18 KJV

"And Moses built an altar, and called the name of it Jehovah-nissi:"
Exodus Chapter 17, Verse 18

Exodus 17:18 in Context (Verses 15–16 KJV)

15
And Moses built an altar, and called the name of it Jehovah-nissi:*
16
For he said, Because the LORD hath sworn that the LORD will have war with Amalek from generation to generation.**