downwards
adv.toward a lower place or level. You use it to describe movement or a change toward the ground or a smaller number.
adv.toward a lower physical position, level, or value. Often used to describe trends in data or physical movement toward the earth.
“The path leads downwards toward the river.”
“The stock market trended downwards throughout the afternoon as investors reacted to the news.”
“As the temperature dropped, the heavy mist began to drift downwards, eventually settling in the valley and obscuring the small village from view.”
Typically functions as an adverb of direction; in British English, 'downwards' is common, whereas American English often prefers 'downward'.
“Will supporters be looking upwards rather than downwards?”
From down + -wards.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.