えんえん
endlessly; continuously; (going) on and on; meandering
Common word Also written 延延、蜿蜒、蜿蜿、蜿々、蜒々
Adverb (-to), Taru adjective
Taru adjective, Adverb (-to)
三さん日間にっかんえんえんと雨あめが降ふっていた。
It rained for three days on end.