topsoil (English)
├── soil (English)
│ ├── soile (Middle English (1100-1500))
│ ├── soilen (Middle English (1100-1500))
│ └── soyl (Middle English (1100-1500))
│ └── soil (Old French (842-ca. 1400))
└── top (English)
└── top (Old English (ca. 450-1100))
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