Reconstruction:Proto-Finnic/roostëk

This Proto-Finnic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Finnic

Etymology

Through Northwest Germanic *rostaz from Proto-Germanic *rustaz, extended with the suffix +‎ *-ëk. Long *oo has not been fully explained.

Noun

*roostëk

1. rust

Inflection

Inflection of *roostëk

Note: The Proto-Finnic declension system is yet to be reconstructed in detail. What is presented here is only one possibility.
		singular	plural
nominative		*roostëk	*roostëgët
accusative		*roostëgën	*roostëgët
genitive		*roostëgën	*roostëgëdën *roostëgidën
partitive		*roostëgëta	*roostëgita
inessive		*roostëgëssa *roostëgëhna	*roostëgissa *roostëgihna
elative		*roostëgësta	*roostëgista
illative		*roostëgësën	*roostëgisën
adessive		*roostëgëlla	*roostëgilla
ablative		*roostëgëlta	*roostëgilta
allative		*roostëgëlën *roostëgëlëk	*roostëgilën *roostëgilëk
essive		*roostëgëna	*roostëgina
translative		*roostëgëksi	*roostëgiksi
instructive		*roostëgën	*roostëgin
comitative		*roostëgënëk	*roostëginëk
abessive		*roostëgëtta	*roostëgitta

Derived terms

• *roostudak

Descendants

• Estonian: rooste
• Finnish: ruoste
• Ingrian: roosse
• Karelian: ruoste
• Livonian: rūost
• Livvi: ruoste
• Ludian: ruoste
• Veps: roste
• Votic: roosõ

References

• “rooste”, in [ETY] Eesti etümoloogiasõnaraamat [Estonian Etymological Dictionary] (in Estonian) (online version), Tallinn: Eesti Keele Sihtasutus (Estonian Language Foundation), 2012
• Itkonen, Erkki, Kulonen, Ulla-Maija, editors (1992–2000), Suomen sanojen alkuperä [The origin of Finnish words]‎^[1] (in Finnish) (online version; note: also includes other etymological sources), Helsinki: Institute for the Languages of Finland/Finnish Literature Society, →ISBN