Proto-IE: *ark-, *arkeut-
Meaning: a k. of thorny bush/tree
Old Indian: arká- m. `the plant Calotropis gigantea (the larger leaves are used for sacrificial ceremonies)'
Old Greek: árkeu̯tho-s f. `Wacholder, Juniperus', arkeu̯thís, -ídos f. `Wacholderbeere'
Russ. meaning: дерево (колючее)
References: WP I 81