Ugaritic

ˀirγn/ˀarγn - a substance used in pharmacopea (DUL 101, Watson 2007: 66‒67)

meaning and identification fully uncertain, Akk. arḫānû ‘a certain stage of growth of the date palm’ and arīḫu ‘a kind of milkweed’ are among any alternative options for comparison (Pardee1985: 61), but even if accepted, the borrowing hypothesis is far from evident (Kogan 2015: 360).