Jehovah-Nissi
International Standard Bible Encyclopedia · James Orr and contributors
je-ho'-va nis'-i (yahweh nicci, "Yahweh is my banner"): So Moses named the altar which he reared to signalize the defeat of the Amalekites by Israel under Joshua, at Rephidim (Ex 17:15). Septuagint translates "the Lord my refuge," deriving nicci from nuc, "to flee." Targum Onkelos reads, "Moses built an altar and worshipped on it before Yahweh, who had wrought for him miracles" (niccin). The suggestion is that the people should rally round God as an army gathers round its standard. He it is who leads them to victory.
Source of the article
International Standard Bible Encyclopedia — James Orr, general editor and contributors; CrossWire SWORD module ISBE 2.2
Bible Strong digital edition from CrossWire module 2.2; historical scholarship originally published in 1915