Zetta- the 6th letter of the modern and classical Greek alphabet, denotes a value of seven (7) when used as a numeral. Examples: Zetta- Zetta is a decimal unit prefix in the metric system denoting a factor of 10 or . The prefix was added as an SI prefix to the International System of Units (SI) in 1991 and has the symbol Z. Zetta is evocative of the Latin numeral , meaning "seven". Therefore it was used to denote the seventh power of 1000. A prefix of the same value, "hepta", was informally introduced a few years before the promulgation of
Tera, Kutch (1718–1741). During the reign of Lakhaji I (1741–1760), the Chief of Tera revolted against the ruler of Kutch. Rao Lakhaji I sent his troops to subdue the Chief, damaging the village and the nearby Tera Fort. The Chief of Tera subsequently surrendered and swore allegiance to Lakhaji once again. However, most of the present structures and Havelis were built during reign of Rao Deshalji II (1819–60). The walls of fort was damaged in 1819 Rann of Kutch earthquake which were repaired later. The village and its environs are home to a number of historic structures, including: At present, though farming