Jehovah-nissi means “the Lord my banner.”
Yᵉhôvâh niççîy (yeh-ho-vaw' nis-see') — Jehovah-Nissi, a symbolical name of an altar in the Desert
from H3068 (יְהֹוָה) and H5251 (נֵס) with the prononimal suffix; Jehovah (is) my banner;