A more literal translation of 砂の女, the title of this film, could be something like 'sand woman' or 'woman of the sand'.
Early on in the film there is a brief double exposure shot where Niki's wife is pictured in a really awkward position taking on the same shape as a dune. When Niki arrives at the village, the woman is already there. For all he knows, she could have been there for eternities, just like the sand. Throughout the…