"phaco-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":der",
        "3": "grc:φᾰκός",
        "tree": "1"
      },
      "expansion": "Etymology tree\nAncient Greek φᾰκός (phăkós)der.\nEnglish phaco-",
      "name": "etymon"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "φακός",
        "t": "lentil, lenticular body"
      },
      "expansion": "Ancient Greek φακός (phakós, “lentil, lenticular body”)",
      "name": "der"
    },
    {
      "args": {
        "1": "la-med",
        "2": "lēns",
        "id": "lens",
        "t": "lens"
      },
      "expansion": "Medieval Latin lēns (“lens”)",
      "name": "ncog"
    },
    {
      "args": {
        "1": "la",
        "2": "lēns",
        "id": "lentil",
        "t": "lentil"
      },
      "expansion": "Latin lēns (“lentil”)",
      "name": "ncog"
    }
  ],
  "etymology_text": "Etymology tree\nAncient Greek φᾰκός (phăkós)der.\nEnglish phaco-\nFrom Ancient Greek φακός (phakós, “lentil, lenticular body”). For the sense change, compare Medieval Latin lēns (“lens”), from Latin lēns (“lentil”).",
  "forms": [
    {
      "form": "phako-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "phaco-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "lens"
      ],
      "id": "en-phaco--en-prefix-gSuSFc0v",
      "links": [
        [
          "lens",
          "lens"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "phaco-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":der",
        "3": "grc:φᾰκός",
        "tree": "1"
      },
      "expansion": "Etymology tree\nAncient Greek φᾰκός (phăkós)der.\nEnglish phaco-",
      "name": "etymon"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "φακός",
        "t": "lentil, lenticular body"
      },
      "expansion": "Ancient Greek φακός (phakós, “lentil, lenticular body”)",
      "name": "der"
    },
    {
      "args": {
        "1": "la-med",
        "2": "lēns",
        "id": "lens",
        "t": "lens"
      },
      "expansion": "Medieval Latin lēns (“lens”)",
      "name": "ncog"
    },
    {
      "args": {
        "1": "la",
        "2": "lēns",
        "id": "lentil",
        "t": "lentil"
      },
      "expansion": "Latin lēns (“lentil”)",
      "name": "ncog"
    }
  ],
  "etymology_text": "Etymology tree\nAncient Greek φᾰκός (phăkós)der.\nEnglish phaco-\nFrom Ancient Greek φακός (phakós, “lentil, lenticular body”). For the sense change, compare Medieval Latin lēns (“lens”), from Latin lēns (“lentil”).",
  "forms": [
    {
      "form": "phako-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "phaco-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "English entries referencing missing etymons",
        "English entries with etymology trees",
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms derived from Ancient Greek",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymology trees"
      ],
      "glosses": [
        "lens"
      ],
      "links": [
        [
          "lens",
          "lens"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "phaco-"
}