is at bottom of (verb) cause: bring into being; bring about
Sinonime: average, between, betwixt and between, center, centermost,
central, equidistant, halfway, inner, inside, intermediate, intervening, mainstream*, mean, medial, median, medium, mezzo, mid, middle of the road, middle-of-the-road, middlemost, midmost, smack in the middle, straddling the fence