The word "speckled eech" has an unusual spelling. Using the International Phonetic Alphabet (IPA), we can break it down. "Speckled" is spelled as /ˈspɛkld/, with the "e" being pronounced as "eh" and the "ck" creating a hard "k" sound. "Eech," on the other hand, is spelled as /itʃ/, with the "ee" creating a long "e" sound and the "ch" making a "ch" sound as in "church." Together, "speckled eech" describes a creature with a mottled appearance and a unique name.
Hirudo medicinalis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.