kuilake = month (noun) (some things Google found for "kuilake": a very rare term; user name of someone in Norway; a blood elf warlock in character in World of Warcraft)
Word derivation for "month":
Basque = hilabete, Finnish = kuukausi
Miresua = kuilake
The Finnish word for "month" is a combination of the words for "moon" and "season, term". The Basque word for "month" appears to be a combination of "moon" and "to fufill, to complete". My Miresua word for "month" includes my word for "moon" and a couple more letters, which may or may not be an later defined suffix.