“Aiyo” Has Been Recognised By The Oxford Dictonary For YEARS, But You May Not Agree With Its Origins
'Aiyo' is now an english word.
Updates to the OED
'Aiyo' added to the Oxford English dictionary
To fix a dye so that it does not fade or wash out; to make a dye fast.
Of an adverb: that expresses affirmation or confirmation.
To rotate an aircraft 360 degrees about its longitudinal axis while continuing to fly a straight course.