airport (English)
├── air (English)
│ └── air (Middle English (1100-1500))
│ └── aeir (Anglo-Norman)
└── port (English)
├── Porto (Portuguese)
├── port (Old English (ca. 450-1100))
│ └── portus (Latin)
├── porta (Latin)
└── porter (French)
├── portare (Latin)
└── porto (Latin)
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