"tar-" meaning in Gaulois

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots attestés en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en gaulois issus d’un mot en indo-européen commun",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gaulois",
      "orig": "gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en gaulois incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Mot attesté dans des noms de lieux tels que Brogitaros, etc.^([1])^([2]).",
    "De l'indo-européen commun *terh₂- (« traverser »)^([1])^([2])."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "alt_of": [
        {
          "word": "taro-"
        }
      ],
      "glosses": [
        "Variante de taro-."
      ],
      "id": "fr-tar--gaulois-verb-DV37h6ZB",
      "tags": [
        "alt-of"
      ]
    }
  ],
  "word": "tar-"
}

{
  "categories": [
    "Mots attestés en gaulois",
    "Mots en gaulois issus d’un mot en indo-européen commun",
    "Verbes en gaulois",
    "gaulois",
    "Étymologies en gaulois incluant une reconstruction"
  ],
  "etymology_texts": [
    "Mot attesté dans des noms de lieux tels que Brogitaros, etc.^([1])^([2]).",
    "De l'indo-européen commun *terh₂- (« traverser »)^([1])^([2])."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "alt_of": [
        {
          "word": "taro-"
        }
      ],
      "glosses": [
        "Variante de taro-."
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "word": "tar-"
}