a letter in the form of a crossed d, written đ or ð, used in Old English writing to represent both voiced and unvoiced th and in modern Icelandic and in phonetic alphabets to represent voiced th.
an ending of the third person singular present indicative of verbs, now occurring only in archaic forms or used in solemn or poetic language: doeth or doth; hopeth; sitteth.
[eth] 
