"starting at" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions prépositives en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de starting et de at."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "prep",
  "pos_title": "Locution prépositive",
  "senses": [
    {
      "glosses": [
        "À partir de."
      ],
      "id": "fr-starting_at-en-prep-FxQqYVJg"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈstɑː(ɹ)tɪŋ ət\\"
    }
  ],
  "word": "starting at"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions prépositives en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de starting et de at."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "prep",
  "pos_title": "Locution prépositive",
  "senses": [
    {
      "glosses": [
        "À partir de."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈstɑː(ɹ)tɪŋ ət\\"
    }
  ],
  "word": "starting at"
}