Akademik

imbricate
v. & adj.
—v.tr. & intr. arrange (leaves, the scales of a fish, etc.), or be arranged, so as to overlap like roof-tiles.
—adj. having scales etc. arranged in this way.
Derivatives:
imbrication n.
Etymology: L imbricare imbricat- cover with rain-tiles f. imbrex -icis rain-tile f. imber shower

Useful english dictionary. 2012.