"благо-" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "ru",
        "2": "cu",
        "3": "благо-",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Old Church Slavonic благо- (blago-)",
      "name": "bor"
    },
    {
      "args": {
        "1": "ru",
        "2": "cu",
        "3": "благо-"
      },
      "expansion": "Borrowed from Old Church Slavonic благо- (blago-)",
      "name": "bor+"
    },
    {
      "args": {
        "1": "ru",
        "2": "grc",
        "3": "εὐ-"
      },
      "expansion": "Ancient Greek εὐ- (eu-)",
      "name": "der"
    },
    {
      "args": {
        "1": "ru",
        "2": "благо́й"
      },
      "expansion": "благо́й (blagój)",
      "name": "m"
    }
  ],
  "etymology_text": "Borrowed from Old Church Slavonic благо- (blago-), a calque of Ancient Greek εὐ- (eu-). Bound form of благо́й (blagój).",
  "forms": [
    {
      "form": "blago-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "prefix"
      },
      "expansion": "благо- • (blago-)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "о́браз (óbraz, “appearance”) → благообра́зный (blagoobráznyj, “good-looking”)"
        },
        {
          "text": "род (rod, “birth”) → благоро́дный (blagoródnyj, “noble”)"
        },
        {
          "text": "сло́во (slóvo, “word”) → благослове́ние (blagoslovénije, “blessing”)"
        },
        {
          "text": "дар (dar, “gift”) → благодари́ть (blagodarítʹ, “to thank”)"
        }
      ],
      "glosses": [
        "good-, well-"
      ],
      "id": "en-благо--ru-prefix-eookYYWl",
      "links": [
        [
          "good-",
          "good"
        ],
        [
          "well-",
          "well"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[bɫəɡə]"
    }
  ],
  "word": "благо-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "ru",
        "2": "cu",
        "3": "благо-",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Old Church Slavonic благо- (blago-)",
      "name": "bor"
    },
    {
      "args": {
        "1": "ru",
        "2": "cu",
        "3": "благо-"
      },
      "expansion": "Borrowed from Old Church Slavonic благо- (blago-)",
      "name": "bor+"
    },
    {
      "args": {
        "1": "ru",
        "2": "grc",
        "3": "εὐ-"
      },
      "expansion": "Ancient Greek εὐ- (eu-)",
      "name": "der"
    },
    {
      "args": {
        "1": "ru",
        "2": "благо́й"
      },
      "expansion": "благо́й (blagój)",
      "name": "m"
    }
  ],
  "etymology_text": "Borrowed from Old Church Slavonic благо- (blago-), a calque of Ancient Greek εὐ- (eu-). Bound form of благо́й (blagój).",
  "forms": [
    {
      "form": "blago-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "prefix"
      },
      "expansion": "благо- • (blago-)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Russian 2-syllable words",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian prefixes",
        "Russian terms borrowed from Old Church Slavonic",
        "Russian terms derived from Ancient Greek",
        "Russian terms derived from Old Church Slavonic",
        "Russian terms with IPA pronunciation"
      ],
      "examples": [
        {
          "text": "о́браз (óbraz, “appearance”) → благообра́зный (blagoobráznyj, “good-looking”)"
        },
        {
          "text": "род (rod, “birth”) → благоро́дный (blagoródnyj, “noble”)"
        },
        {
          "text": "сло́во (slóvo, “word”) → благослове́ние (blagoslovénije, “blessing”)"
        },
        {
          "text": "дар (dar, “gift”) → благодари́ть (blagodarítʹ, “to thank”)"
        }
      ],
      "glosses": [
        "good-, well-"
      ],
      "links": [
        [
          "good-",
          "good"
        ],
        [
          "well-",
          "well"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[bɫəɡə]"
    }
  ],
  "word": "благо-"
}