From Proto-Finnic , equivalent to avata (“to open”) + -in. Cognates include Finnish avain and Livvi avain.
avvain
Declension of avvain (type 15/syän, no gradation) | ||
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singular | plural | |
nominative | avvain | avvaimet |
genitive | avvaimen | avvaimiin |
partitive | avvainta, avvaint | avvaimia |
illative | avvaimee | avvaimii |
inessive | avvaimees | avvaimiis |
elative | avvaimest | avvaimist |
allative | avvaimelle | avvaimille |
adessive | avvaimeel | avvaimiil |
ablative | avvaimelt | avvaimilt |
translative | avvaimeks | avvaimiks |
essive | avvaimenna, avvaimeen | avvaiminna, avvaimiin |
exessive1) | avvaiment | avvaimint |
1) obsolete *) the accusative corresponds with either the genitive (sg) or nominative (pl) **) the comitative is formed by adding the suffix -ka? or -kä? to the genitive. |