wild boar
猯 centers on the wild boar, a specific animal. The given meaning is a single concrete noun without broader abstract extensions.
猯 combines the animal radical 犭 with 耑, which likely contributes the sound. The character is a specific designation for a wild boar.
The animal radical 犭 hints at a beast, and the right side 耑 looks like a bristly, sturdy shape. Picture a wild boar with a tough, spiky hide charging through the underbrush.
For タン, imagine a wild boar with a deep tan color rooting in the forest: tan -> タン, and the boar's hide matches the earthy tone.
badger