Inside the Universes

'intractable'

[intractable.a.01] as in: not tractable; difficult to manage or mold

Examples:
an intractable disposition
intractable pain
the most intractable issue of our era
intractable metal

Origins

					intractable (English)
├── in- (English)
│   ├── in (Latin)
│   ├── in- (Latin)
│   └── in- (Middle English (1100-1500))
│       └── in- (Old English (ca. 450-1100))
│           └── in (Old English (ca. 450-1100))
└── tractable (English)
    └── tractabilis (Latin)
        └── tracto (Latin)