unread (English)
├── read (English)
│ └── rædan (Old English (ca. 450-1100))
├── un- (English)
│ ├── on- (Middle English (1100-1500))
│ │ ├── on- (Old English (ca. 450-1100))
│ │ └── ond- (Old English (ca. 450-1100))
│ ├── un- (Middle English (1100-1500))
│ │ └── un- (Old English (ca. 450-1100))
│ └── unus (Latin)
│ └── oinos (Latin)
└── unred (Middle English (1100-1500))
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