קאַשטן

Etymology
Probably directly, given the syllable stress.

Noun

 * 1) chestnut nut of chestnut tree
 * 2) horse chestnut tree
 * 3) chestnut horse
 * 1) chestnut horse
 * 1) chestnut horse

Usage notes

 * In the plural, the stress shifts to the second, i.e. according to the CEYD, however stress on either  is acceptable according to the CYED.
 * Senses 2 and 3 are only recorded in the CYED, while sense 1 is not recorded at all.