‘Eloheyno (‘Elohiym): אֱלֹהִיםʼĕlôhîym, el-o-heem’; plural of H433; ‘gods’ [‘elohiym] in the ordinary sense; butspecifically used (in the plural thus, especially with the article) of the supreme ‘God’ [‘Elohiym]; occasionally applied by way of deference to magistrates; and sometimes as a superlative:—angels [angel], × exceeding, ‘God’ [‘Elohiym](gods) (-dess, -ly), × (very) great, judges, × mighty. https://www.blueletterbible.org/lang/lexicon/lexicon.cfm?strongs=H430
Echad: אֶחָדʼechâd, ekh-awd’; a numeral from H258; properly, united, i.e. one; or (as an ordinal) first:—a, alike, alone, altogether, and, any(-thing), apiece, a certain, (dai-) ly, each (one), eleven, every, few, first, highway, a man, once, one[-ness], only, other, some, together, https://www.blueletterbible.org/lang/lexicon/lexicon.cfm?strongs=H259
Significance of the Name of the ‘Elohiym of Israel:
YHWH (I AM WHAT I AM):
“According to the Hebrew Bible, in the encounter of the burning bush (Exodus 3:14) Moses asks what he is to say to the Israelites when they ask what ‘gods’ (‘Elohiym) have sent him to them, and YHWH replies, “I am who I am”, adding, “Say this to the people of Israel, ‘I am has sent me to you.’ ”