"sed" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "ine-pro",
        "3": "",
        "4": "*swét / *swéd"
      },
      "expansion": "Proto-Indo-European *swét / *swéd",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Indo-European *swét / *swéd, ablative case of *swé (whence se, suus); and originally the same as the inseparable preposition sē- (properly, “by itself”, “apart”, hence, “but”, “only”, etc.). Compare with the semantics of English \"only (that)...\" (= \"but...\").",
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "conjunction"
      },
      "expansion": "sed",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 15 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "but rather",
          "word": "sed magis"
        }
      ],
      "examples": [
        {
          "english": "We learn our lessons, not for life, but for the lecture-room.",
          "roman": "non vitæ sed scholæ discimvs",
          "text": "c. ad 65, Seneca, Moral Letters to Lucilius, CVI."
        },
        {
          "english": "Not by force but by the word [i.e., of God]",
          "ref": "1522, Martin Luther, Invocavit, Sermons:",
          "text": "Non vi, sed verbo",
          "type": "quote"
        },
        {
          "english": "We must learn not for school but for life!",
          "roman": "Non scholæ sed vitæ discendum est!",
          "text": "1804 Jun 12, Oberdeutsche Allgemeine Litteraturzeitung, No. 70, p. 1119",
          "type": "quotation"
        }
      ],
      "glosses": [
        "but"
      ],
      "id": "en-sed-la-conj-zcKZN4hx",
      "links": [
        [
          "but",
          "but"
        ]
      ],
      "synonyms": [
        {
          "sense": "but",
          "word": "at"
        },
        {
          "sense": "but",
          "word": "ast"
        },
        {
          "sense": "but",
          "word": "tamen"
        },
        {
          "sense": "but",
          "word": "autem"
        },
        {
          "word": "set"
        },
        {
          "word": "s"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sed/",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[s̠ɛd̪]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "/sed/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[sɛd̪]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "sed"
}

{
  "derived": [
    {
      "english": "but rather",
      "word": "sed magis"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "ine-pro",
        "3": "",
        "4": "*swét / *swéd"
      },
      "expansion": "Proto-Indo-European *swét / *swéd",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Indo-European *swét / *swéd, ablative case of *swé (whence se, suus); and originally the same as the inseparable preposition sē- (properly, “by itself”, “apart”, hence, “but”, “only”, etc.). Compare with the semantics of English \"only (that)...\" (= \"but...\").",
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "conjunction"
      },
      "expansion": "sed",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "Latin 1-syllable words",
        "Latin conjunctions",
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin terms derived from Proto-Indo-European",
        "Latin terms with IPA pronunciation",
        "Latin terms with quotations",
        "Pages with 15 entries",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "english": "We learn our lessons, not for life, but for the lecture-room.",
          "roman": "non vitæ sed scholæ discimvs",
          "text": "c. ad 65, Seneca, Moral Letters to Lucilius, CVI."
        },
        {
          "english": "Not by force but by the word [i.e., of God]",
          "ref": "1522, Martin Luther, Invocavit, Sermons:",
          "text": "Non vi, sed verbo",
          "type": "quote"
        },
        {
          "english": "We must learn not for school but for life!",
          "roman": "Non scholæ sed vitæ discendum est!",
          "text": "1804 Jun 12, Oberdeutsche Allgemeine Litteraturzeitung, No. 70, p. 1119",
          "type": "quotation"
        }
      ],
      "glosses": [
        "but"
      ],
      "links": [
        [
          "but",
          "but"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sed/",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[s̠ɛd̪]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "/sed/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[sɛd̪]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "synonyms": [
    {
      "sense": "but",
      "word": "at"
    },
    {
      "sense": "but",
      "word": "ast"
    },
    {
      "sense": "but",
      "word": "tamen"
    },
    {
      "sense": "but",
      "word": "autem"
    },
    {
      "word": "set"
    },
    {
      "word": "s"
    }
  ],
  "word": "sed"
}