crossbeam (English)
├── beam (English)
│ ├── beem (Middle English (1100-1500))
│ │ └── beam (Old English (ca. 450-1100))
│ └── bemen (Middle English (1100-1500))
│ ├── beamian (Old English (ca. 450-1100))
│ └── bymian (Old English (ca. 450-1100))
│ └── byme (Old English (ca. 450-1100))
└── cross (English)
└── cross (Middle English (1100-1500))
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