Reconstruction:Proto-Finnic/aivo

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

Probably from Proto-Finno-Ugric *ajŋe.

Noun

*aivo

1. brain

Inflection

Inflection of *aivo

Note: The Proto-Finnic declension system is yet to be reconstructed in detail. What is presented here is only one possibility.
		singular	plural
nominative		*aivo	*aivot
accusative		*aivon	*aivot
genitive		*aivon	*aivodën *aivoidën
partitive		*aivoda	*aivoida
inessive		*aivossa *aivohna	*aivoissa *aivoihna
elative		*aivosta	*aivoista
illative		*aivohën	*aivoihën
adessive		*aivolla	*aivoilla
ablative		*aivolta	*aivoilta
allative		*aivolën *aivolëk	*aivoilën *aivoilëk
essive		*aivona	*aivoina
translative		*aivoksi	*aivoiksi
instructive		*aivon	*aivoin
comitative		*aivonëk	*aivoinëk
abessive		*aivotta	*aivoitta

Descendants

• Estonian: aju
• Finnish: aivot pl, (archaic) aivo
• Ingrian: aivo, aiva
• Karelian:
  • North Karelian: aivot pl
  • South Karelian: (dialectal) aivot pl
• Livvi: aivot pl
• Veps: aiv, aivod pl
• Võro: ajo, aivõq pl
• Votic: ajud pl

Further reading

• “aju”, in [ETY] Eesti etümoloogiasõnaraamat [Estonian Etymological Dictionary] (in Estonian) (online version), Tallinn: Eesti Keele Sihtasutus (Estonian Language Foundation), 2012
• Entry #5 in Uralonet, online Uralic etymological database of the Hungarian Research Centre for Linguistics.