(1):

(adv.) From a higher to a lower condition; toward misery, humility, disgrace, or ruin.

(2):

(adv.) From a higher place to a lower; in a descending course; as, to tend, move, roll, look, or take root, downward or downwards.

(3):

(adv.) From a remote time; from an ancestor or predecessor; from one to another in a descending line.