unsteadiness

English

Etymology tree

English unsteady

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 unsteadiness

unsteadiness (countable and uncountable, plural unsteadinesses)

The quality of being unsteady.
- 1942 March, “The Why and the Wherefore: A Rebuilt Brighton 0-4-2 Tank”, in Railway Magazine, page 95:
  The Marsh rebuilding, with the higher-pitched and larger boiler and new standard boiler mountings, completely altered the appearance of the engine, which in its last guise was a very handsome machine; but unsteadiness in running at speeds over 50 m.p.h. resulted in no further such conversions being made.

the state of being unsteady