"-(a)ru" meaning in Proto-Japonic

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ojp",
            "2": "る",
            "tr": "-(a)ru"
          },
          "expansion": "Old Japanese: る (-(a)ru)",
          "name": "desc"
        }
      ],
      "text": "Old Japanese: る (-(a)ru)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "ja",
            "2": "れる",
            "tr": "-(a)reru"
          },
          "expansion": "Japanese: れる (-(a)reru)",
          "name": "desc"
        }
      ],
      "text": "Japanese: れる (-(a)reru)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "jpx-ryu-pro",
            "2": "*-(a)re-"
          },
          "expansion": "Proto-Ryukyuan: *-(a)re-\nNorthern Ryukyuan:\nKikai: りゆい (-(a)riyui)\nKunigami: りん (-(a)rin)\nNorthern Amami-Oshima: るぃるり (-(a)rïruri)\nOkinawan: りゆん (-(a)riyun)\nOki-No-Erabu: りゆん (-(a)riyun)\nSouthern Amami-Oshima: りゆむっ (-(a)riyum)\nToku-No-Shima: るぃ (-(a)rï)\nYoron: りゅん (-(a)ryun)",
          "name": "desctree"
        }
      ],
      "text": "Proto-Ryukyuan: *-(a)re-\nNorthern Ryukyuan:\nKikai: りゆい (-(a)riyui)\nKunigami: りん (-(a)rin)\nNorthern Amami-Oshima: るぃるり (-(a)rïruri)\nOkinawan: りゆん (-(a)riyun)\nOki-No-Erabu: りゆん (-(a)riyun)\nSouthern Amami-Oshima: りゆむっ (-(a)riyum)\nToku-No-Shima: るぃ (-(a)rï)\nYoron: りゅん (-(a)ryun)"
    }
  ],
  "etymology_text": "In attested texts, this is attached to the form traditionally known as the 未然形 (mizenkei, “irrealis or incomplete form”) of verbs. Perhaps also existed in reconstructions such as *naru (“to be”), *maparu (“to spin”, intransitive), etc.",
  "forms": [
    {
      "form": "- (a)ru",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jpx-pro",
        "2": "suffix"
      },
      "expansion": "*-(a)ru",
      "name": "head"
    }
  ],
  "lang": "Proto-Japonic",
  "lang_code": "jpx-pro",
  "original_title": "Reconstruction:Proto-Japonic/-(a)ru",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Proto-Japonic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "creates a passive verb from an active one"
      ],
      "id": "en--(a)ru-jpx-pro-suffix-Q4jlvEey",
      "tags": [
        "morpheme",
        "reconstruction"
      ]
    }
  ],
  "word": "-(a)ru"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ojp",
            "2": "る",
            "tr": "-(a)ru"
          },
          "expansion": "Old Japanese: る (-(a)ru)",
          "name": "desc"
        }
      ],
      "text": "Old Japanese: る (-(a)ru)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "ja",
            "2": "れる",
            "tr": "-(a)reru"
          },
          "expansion": "Japanese: れる (-(a)reru)",
          "name": "desc"
        }
      ],
      "text": "Japanese: れる (-(a)reru)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "jpx-ryu-pro",
            "2": "*-(a)re-"
          },
          "expansion": "Proto-Ryukyuan: *-(a)re-\nNorthern Ryukyuan:\nKikai: りゆい (-(a)riyui)\nKunigami: りん (-(a)rin)\nNorthern Amami-Oshima: るぃるり (-(a)rïruri)\nOkinawan: りゆん (-(a)riyun)\nOki-No-Erabu: りゆん (-(a)riyun)\nSouthern Amami-Oshima: りゆむっ (-(a)riyum)\nToku-No-Shima: るぃ (-(a)rï)\nYoron: りゅん (-(a)ryun)",
          "name": "desctree"
        }
      ],
      "text": "Proto-Ryukyuan: *-(a)re-\nNorthern Ryukyuan:\nKikai: りゆい (-(a)riyui)\nKunigami: りん (-(a)rin)\nNorthern Amami-Oshima: るぃるり (-(a)rïruri)\nOkinawan: りゆん (-(a)riyun)\nOki-No-Erabu: りゆん (-(a)riyun)\nSouthern Amami-Oshima: りゆむっ (-(a)riyum)\nToku-No-Shima: るぃ (-(a)rï)\nYoron: りゅん (-(a)ryun)"
    }
  ],
  "etymology_text": "In attested texts, this is attached to the form traditionally known as the 未然形 (mizenkei, “irrealis or incomplete form”) of verbs. Perhaps also existed in reconstructions such as *naru (“to be”), *maparu (“to spin”, intransitive), etc.",
  "forms": [
    {
      "form": "- (a)ru",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jpx-pro",
        "2": "suffix"
      },
      "expansion": "*-(a)ru",
      "name": "head"
    }
  ],
  "lang": "Proto-Japonic",
  "lang_code": "jpx-pro",
  "original_title": "Reconstruction:Proto-Japonic/-(a)ru",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Proto-Japonic entries with incorrect language header",
        "Proto-Japonic lemmas",
        "Proto-Japonic suffixes"
      ],
      "glosses": [
        "creates a passive verb from an active one"
      ],
      "tags": [
        "morpheme",
        "reconstruction"
      ]
    }
  ],
  "word": "-(a)ru"
}