Learn how to say Erythemal correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word erythema:
[mass noun] Medicine
superficial reddening of the skin, usually in patches, as a result of injury or irritation causing dilatation of the blood capillaries.
late 18th century: from Greek eruthēma, from eruthainein ‘be red’, from eruthros ‘red’