Etymology
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glaucoma (n.)

1640s (cataracts and glaucoma not distinguished until c. 1705), from Latinized form of Greek glaukoma "cataract, opacity of the lens," perhaps from glaukommatos "gray-eyed," with omma "the eye" + glaukos, an adjective of uncertain origin (see glaucous).

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granuloma (n.)

"granulated tissue produced by certain diseases," from Latin granulum "granule" (see granular) + -oma, on model of glaucoma, etc.

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