Adown

Thrice did she sink adown.

Source: wiktionary

[S]o / Do these upbear the little world below / Of Education,—Patience, Love, and Hope. / Methinks, I see them group'd in seemly show, / The straiten'd arms upraised, the palms aslope, / And robes that touching as adown they flow, / Distinctly blend, like snow emboss'd in snow.

Source: wiktionary

Many a family circle wept as they looked upon the familiar places, which would know their lost ones no more; but ah, chide me not, kind reader, in thus leading you adown to the coldness of death, in setting before you that which causes your tender heart to shudder.

Source: wiktionary

The policeman on the beat moved up the avenue impressively. […] Trying doors as he went, twirling his club with many intricate and artful movements, turning now and then to cast his watchful eye adown the pacific thoroughfare, the officer, with his stalwart form and slight swagger, made a fine picture of a guardian of the peace.

Source: wiktionary