overachievement (English)
├── achievement (English)
│ └── achevement (Old French (842-ca. 1400))
│ ├── -ment (Old French (842-ca. 1400))
│ └── achever (Old French (842-ca. 1400))
└── over- (English)
└── over- (Middle English (1100-1500))
└── ofer- (Old English (ca. 450-1100))
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