an Old English letter, ð or Ð., representing the dental fricatives ð and θ. It was superseded by the digraph th, but is now used as a phonetic symbol for the voiced dental fricative ð 古英语字母ð或Ð(表示舌齿摩擦音/ð/和/θ/。后来被th取代,现在用作浊音舌齿摩擦音/ð/的发音符号)。 比较 thorn(义项3)
语源
from Danish edh, perhaps representing the sound of the letter