tahi besi

== Indonesian == === Etymology === From tahi (“feces”) +‎ besi (“iron”), literally “feces (of) iron”. === Noun === tahi besi rust (on iron); the yellow rust substance on rusted iron === See also === karat === Further reading === “tahi besi”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016