Используйте «runlet» в предложении

1. These myriads of insects were so well suited to that monstrously lavish wild vegetation, these multitudes of birds and beasts which filled the forest, this dark foliage, this hot scented air, these runlets filled with turbid water which everywhere soaked through from the Terek and gurgled here and there under the overhanging leaves, that the very thing which had at first seemed to him dreadful and intolerable now seemed pleasant