Schoenus

M17X1
D21
G43N35BN36
N21 Z1
Schoenus
in hieroglyphs

Schoenus (Latin: schœnus; Greek: σχοίνος, schoinos, lit. "rush rope"; Ancient Egyptian: i͗trw, lit. "river-measure") was an ancient Egyptian, Greek and Roman unit of length and area based on the knotted cords first used in Egyptian surveying.