In the traditional culture of Greece the word Δρίμιες usually meant the first three, six, or twelve days of August, March, or (very rarely) September. The time of δρίμιες is mainly characterized as dangerous and the contacts with water are strictly regulated as considered to be harmful. The article represents common versions of the origin of the term, a comparison with similar concepts in other Balkan cultures, as well as mythological parallels, which show the connection of this term with female mythological characters (nereids, anemikes etc.)