"-ζω" meaning in Ancient Greek

{
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "grk-pro",
        "3": "*-ďďō"
      },
      "expansion": "Proto-Hellenic *-ďďō",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "ine-pro",
        "3": "-"
      },
      "expansion": "Proto-Indo-European",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Hellenic *-ďďō, from a stem ending in the consonants *g, *gʷ, or *d + the Proto-Indo-European present suffixes *-yeti (transitive imperfective suffix) or *-yéti (intransitive imperfective suffix).",
  "forms": [
    {
      "form": "-zō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "-ζω • (-zō)",
      "name": "grc-verb"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ancient Greek terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "-ízō",
          "word": "-ίζω"
        },
        {
          "roman": "-ázō",
          "word": "-άζω"
        }
      ],
      "glosses": [
        "A suffix forming the present stem of some verbs from stems ending in the consonants γ, δ (g, d)"
      ],
      "id": "en--ζω-grc-suffix-uOBC6tev",
      "links": [
        [
          "stem",
          "stem#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/zdɔː/"
    },
    {
      "ipa": "/zo/"
    },
    {
      "ipa": "/zo/"
    },
    {
      "ipa": "/zdɔː/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/zo/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/zo/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/zo/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/zo/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "-ζω"
}

{
  "derived": [
    {
      "roman": "-ízō",
      "word": "-ίζω"
    },
    {
      "roman": "-ázō",
      "word": "-άζω"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "grk-pro",
        "3": "*-ďďō"
      },
      "expansion": "Proto-Hellenic *-ďďō",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "ine-pro",
        "3": "-"
      },
      "expansion": "Proto-Indo-European",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Hellenic *-ďďō, from a stem ending in the consonants *g, *gʷ, or *d + the Proto-Indo-European present suffixes *-yeti (transitive imperfective suffix) or *-yéti (intransitive imperfective suffix).",
  "forms": [
    {
      "form": "-zō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "-ζω • (-zō)",
      "name": "grc-verb"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Ancient Greek 1-syllable words",
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek lemmas",
        "Ancient Greek suffixes",
        "Ancient Greek terms derived from Proto-Hellenic",
        "Ancient Greek terms derived from Proto-Indo-European",
        "Ancient Greek terms with IPA pronunciation",
        "Ancient Greek terms with redundant script codes",
        "Ancient Greek unaccented terms",
        "Ancient Greek verb-forming suffixes"
      ],
      "glosses": [
        "A suffix forming the present stem of some verbs from stems ending in the consonants γ, δ (g, d)"
      ],
      "links": [
        [
          "stem",
          "stem#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/zdɔː/"
    },
    {
      "ipa": "/zo/"
    },
    {
      "ipa": "/zo/"
    },
    {
      "ipa": "/zdɔː/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/zo/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/zo/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/zo/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/zo/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "-ζω"
}