Cuneiform times of Parthian Empire (250 BC – AD 226). The last known cuneiform inscription, an astronomical text, was written in 75 AD. The complexity of the system prompted the development of a number of simplified versions of the script. Old Persian was written in a subset of simplified cuneiform characters known today as Old Persian cuneiform. It formed a semi-alphabetic syllabary, using far fewer wedge strokes than Assyrian used, together with a handful of logograms for frequently occurring words like "god" and "king". Ugaritic was written using the Ugaritic alphabet, a standard Semitic style alphabet (an "abjad") written using the
Mu (cuneiform) Mu (cuneiform) The cuneiform sign mu, is a common-use sign of the Amarna letters, the "Epic of Gilgamesh," and other cuneiform texts (for example Hittite texts). It is also used as MU. Linguistically, it has the alphabetical usage in texts for "m", or "u", or syllabically for "mu". The u is replaceable in word formation by any of the 4 vowels: "a, e, i," or "u". One reason for the high usage of mu in the Amarna letters is for the word: "peace", or "be safe", Akkadian language "šalāmu", for ""to be sound, whole, safe"". It is used especially between