Refers to the animal Martes zibellina, a species of marten valued for its fur.
Sables inhabit cold regions such as Siberia.
Katakana spelling is standard for this animal name; usually written in kana.
Kanji spelling; 貂 is a non-jōyō kanji and this form is rarely used in modern writing.
The Japanese name クロテン literally means 'black marten', from 黒 (くろ, 'black') and 貂 (てん, 'marten'). The reading ふるき is archaic and its origin is uncertain.