The carat is a seed
The jewelers’ “carat” comes from the carob. Its seeds were once used as a unit of weight by jewelers; the word comes from the names given to the seed, Arabic qirat and ancient Greek keration. Today one carat, used in weighing diamonds and emeralds, equals 0.2 grams.
Source: Turhan Baytop, Türkiye’de Bitkiler ile Tedavi: Geçmişte ve Bugün, 3. baskı (yay. haz. Feza Baytop Günergun), Nobel Tıp Kitabevleri, Ankara, 2021 (Baytop, Türkiye’de Bitkiler ile Tedavi (Plant Healing in Turkey), 2021). This is a folk record, not a treatment recommendation.
Flour sprinkled on wounds: yarrow