cap kertas

== Indonesian == === Etymology === Compound of cap +‎ kertas (“paper”). === Noun === cap kertas (plural cap-cap kertas) watermark Synonym: tera air (Malay) === Further reading === “cap kertas”, 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