"יהי" meaning in Hebrew

{
  "forms": [
    {
      "form": "יְהִי",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "y'hí",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "he",
        "2": "verb form",
        "head": "יְהִי",
        "tr": "y'hí"
      },
      "expansion": "יְהִי • (y'hí)",
      "name": "head"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hebrew entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Hebrew links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Third-person masculine singular jussive (prefix conjugation) of הָיָה (hayá)."
      ],
      "id": "en-יהי-he-verb-GUrRPo5z",
      "links": [
        [
          "הָיָה",
          "היה#Hebrew"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/jeˈhi/",
      "tags": [
        "Modern-Israeli-Hebrew"
      ]
    }
  ],
  "word": "יהי"
}

{
  "forms": [
    {
      "form": "יְהִי",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "y'hí",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "he",
        "2": "verb form",
        "head": "יְהִי",
        "tr": "y'hí"
      },
      "expansion": "יְהִי • (y'hí)",
      "name": "head"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Hebrew entries with incorrect language header",
        "Hebrew links with redundant target parameters",
        "Hebrew non-lemma forms",
        "Hebrew palindromes",
        "Hebrew terms with IPA pronunciation",
        "Hebrew verb forms"
      ],
      "glosses": [
        "Third-person masculine singular jussive (prefix conjugation) of הָיָה (hayá)."
      ],
      "links": [
        [
          "הָיָה",
          "היה#Hebrew"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/jeˈhi/",
      "tags": [
        "Modern-Israeli-Hebrew"
      ]
    }
  ],
  "word": "יהי"
}