tomin

The story

1. Arabic · derived fromثُمْن“one-eighth”
2. Andalusian Arabic · derived fromثُمْن
3. Spanish · borrowed fromtomín
4. English todaytomin

From Spanish tomín, from Andalusian Arabic ثُمْن (ṯúmn), from Arabic ثُمْن (ṯumn, “one-eighth”), from the root ث م ن (ṯ-m-n). Originally used in reference to it forming one-eighth of a castellano.