Originally, "atarashii" was read out as "aratashii".
atarashii(新しい) means newWhat?Hey, Kazu, did you know that?...in this manner, the old meaning and reading of words differ a lot.*bla*They were just saying that!!Older brother and younger sister messing around as usual.Kazu (younger sister): Momiji*blah*That atarashii was originally read as aratashii.Me (older brother): Aya