Means "far-shining", derived from Greek εὐρύς (eurys) meaning "wide" and φάος (phaos) "light". This was an epithet of the Titan goddess Theia, occurring in one of the Homeric Hymns (namely Hymn 31, "To Helios", where Helios' mother Theia is called "mild-eyed Euryphaessa, the far-shining one").
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