Ir (cuneiform)

The cuneiform ir (more common usage), or er sign is a sign used in the Epic of Gilgamesh, and the Amarna letters. It is in a small group that have smaller, 3-verticals, as well as 2- and 1-vertical strokes, sitting on a lower horizontal cuneiform stroke.

The sign is similar to the sa (cuneiform) sign, but sa's upper horizontal stroke is shorter than the lower anchored horizontal stroke. In the Amarna letters, it can also be confused with specific usages of ú-(the alphabetic u (by usage), Ú-1st prime–Ù-2nd prime is a complex, two-part large cuneiform sign, ="and", "but", or other conjunction meanings), as in Amarna letter EA 362, (Biridiya to Pharaoh).

The twelve tablet (I-XII) Epic of Gilgamesh uses the er, and ir signs, 22 and 72 times. In the Epic, there are no other uses for the sign.

For the mid 14th century BC Amarna letters, letter EA 365 authored by Biridiya, it is used for "er". For example on the reverse of EA 365, subject of corvee labor, "harvesting"-(line 20), lines 15 and following translate as follows: The verb "cultivating" (harvesting) is from "erēšu", which is from "harāšu", Ugaratic ḥrț.

...
Wikipedia