[1890–95; kilo- + gauss]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blanket roll, bootstrap, cholesterol, phoneme, pogeykilo- is a Greek combining form meaning “thousand,” introduced from French in the nomenclatureof the metric system (kiloliter). On this model, kilo- is used in the formation of compound words in other systems of measurement (kilowatt). Other words that use the affix kilo- include: kilobar, kilomegacycle, kiloton, kilovolt, kilowatt