Полный русско-английский словарь
издавна
Нареч. at all tames; from of old; long since; from time immemorial; since olden times поэт. нареч. long, long since; from time immemorial; ~ знать кого-л. have* known smb. for a long time; ~ знать (что) have* long known (that); ~ установившийся long-established.