ἄνδηρον

Etymology
Neumann points to the fact that many words connected with irrigation don't look of Indo-European origin and, beside this word, he mentions and. Furnée thinks that the suffix "-ηρον" is.

Noun

 * 1) raised bank by the side of a river or ditch
 * 2) dam, dyke
 * 3) border, edge of the sea
 * 4) border for plants or flowers