arrowroot
Refers to the plant Maranta arundinacea, a source of arrowroot starch. Typically written in katakana.
The starch obtained from arrowroot is used in cooking.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare and may not be recognized by many readers.
A compound of 葛 and 鬱金, naming arrowroot by comparison with the starchy rhizomes associated with those plants.