edh
edh \'eth\ n [Icel eth] : a letter <edh> used in Old English and in Icelandic to represent an interdental fricative and in some phonetic alphabets to represent the voiced interdental fricative (as in then)
Webster's English Dictionaryedh \'eth\ n [Icel eth] : a letter <edh> used in Old English and in Icelandic to represent an interdental fricative and in some phonetic alphabets to represent the voiced interdental fricative (as in then)