steepness

English

Etymology tree

Proto-Indo-European *(s)tew-

Proto-Indo-European *(s)tewp-der.?

Proto-Germanic *staupaz

Proto-West Germanic *staup

Old English stēap

Middle English steep

English steep

Proto-Germanic *-in-

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-yéti

Proto-Indo-European *-eh₂yéti

Proto-Indo-European *-h₂ti

Proto-Germanic *-ōną

Proto-Germanic *-inōną

Proto-Indo-European *-dyé-

Proto-Germanic *-atjaną

Proto-Indo-European *-tus

Proto-Germanic *-þuz

Proto-Germanic *-assuz

Proto-Germanic *-inassuz

Proto-West Germanic *-nassī

Old English -nes

Middle English -nesse

English -ness

English steepness

From steep + -ness.

steepness (countable and uncountable, plural steepnesses)

(uncountable) The state or quality of being steep.
The steepness of the hill caused the accident.
(countable) The result or product of being steep.

state or quality of being steep