Ell Ell An ell (from Proto-Germanic *"alinō", cognate with Latin "ulna") is a unit of measurement, originally a cubit, i.e., approximating the length of a man's arm from the elbow ("" literally meant the bend ("bow") of the arm ("ell")) to the tip of the middle finger, or about 18 inches (457 mm); in later usage, any of several longer units. In English-speaking countries, these included (until the 19th century) the Flemish ell ( of a yard), English ell ( yards) and French ell ( yards), some of which are thought to derive from a "double ell". An ell-wand or ellwand
Ancient Roman units of measurement mean solar day. Although the division of hours into minutes and seconds did not occur until the middle ages, ancient astrologers had a "minuta" equal to of a day (24 modern minutes), a "secunda" equal to of a day (24 modern seconds), and a "tertia" equal to of a day (0.4 modern seconds). Ancient Roman units of measurement were added to the Unicode Standard in April 2008 with the release of version 5.1. The Unicode block for ancient Roman units of measurement, called Ancient Symbols, is U+10190–U+101CF, i.e. in the upper plane: Ancient Roman units of measurement The ancient Roman