250px|right|thumb|Distance marker on the Rhine: 36 (XXXVI) myriametres from [[Basel. Note that the stated distance is 360 km; comma is the decimal mark in Germany.]] Myria- is a now obsolete decimal metric prefix denoting a factor of 104 (ten thousand). It originates from the Greek μύριοι (mýrioi) (myriad). The prefix was part of the original metric system adopted by France in 1795, but was not adopted when the SI prefixes were internationally adopted by the 11th CGPM conference in 1960.
250px|right|thumb|Distance marker on the Rhine: 36 (XXXVI) myriametres from [[Basel. Note that the stated distance is 360 km; comma is the decimal mark in Germany.]] Myria- is a now obsolete decimal metric prefix denoting a factor of 104 (ten thousand). It originates from the Greek μύριοι (mýrioi) (myriad). The prefix was part of the original metric system adopted by France in 1795, but was not adopted when the SI prefixes were internationally adopted by the 11th CGPM conference in 1960.
In 1685 John Wallis proposed the usage of myrio. Also, in 19th century English it was sometimes spelled myrio, in line with a puristic opinion by Thomas Young.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).