𒀊
ab
window; opening; niche, nook (cf., aba) [AB archaic frequency: 384; concatenates 2 sign variants (sign also used for èš and aba - for this reading and meaning in Fara period, see Krebernik, Beschwörungen].
𒄀
gi
reed; length measure, reed = 6 cubits = 3 meters (circular + to sprout) [GI archaic frequency: 484].
𒃷
iku
a surface measure of 3600 meters2 = 100 sar = 1 square 'rope' = 1/18 bùr (plural Akk. form of ég, ék, 'levee').