kelki = church (noun) (some things Google found for "kelki": an uncommon to rare term; user names; Kelki Higher Secondary School in Bhutan; a place in Chad; Montessori Hale O Kelki in Kihei, Hawaii; fantasy marine humanoid race on The Daru of Aetolia)
Word derivation for "church" :
Basque = eliza, Finnish = kirkko
Miresua = kelki
The Finnish word resembles the English word "kirk" which is a word for church used especially in Scotland. The Basque word comes from the Latin "ecclesia" and from the Greek "ekklesia".