"τηρέω" meaning in Grec ancien

{
  "categories": [
    {
      "kind": "other",
      "name": "Dénominaux en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec ancien",
      "orig": "grec ancien",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dénominal de τηρός."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "verb",
  "pos_title": "Verbe",
  "raw_tags": [
    "τηρέω, têréô"
  ],
  "senses": [
    {
      "glosses": [
        "Avoir la garde de, surveiller."
      ],
      "id": "fr-τηρέω-grc-verb-c1Hh-srC"
    },
    {
      "glosses": [
        "Épier."
      ],
      "id": "fr-τηρέω-grc-verb-ie0d74mc"
    },
    {
      "glosses": [
        "Observer, pratiquer l'observance de, conserver, garder."
      ],
      "id": "fr-τηρέω-grc-verb-1-gLBs-W"
    }
  ],
  "word": "τηρέω"
}

{
  "categories": [
    "Dénominaux en grec ancien",
    "Verbes en grec ancien",
    "grec ancien"
  ],
  "etymology_texts": [
    "Dénominal de τηρός."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "verb",
  "pos_title": "Verbe",
  "raw_tags": [
    "τηρέω, têréô"
  ],
  "senses": [
    {
      "glosses": [
        "Avoir la garde de, surveiller."
      ]
    },
    {
      "glosses": [
        "Épier."
      ]
    },
    {
      "glosses": [
        "Observer, pratiquer l'observance de, conserver, garder."
      ]
    }
  ],
  "word": "τηρέω"
}