Hyphenation
 ret·ro·gradeTurkish pronunciation
 retrıgreydPronunciation
 /ˈretrəˌgrād/ /ˈrɛtrəˌɡreɪd/
Etymology
 [ 're-tr&-"grAd ] (adjective.) 14th century. Adjective: Middle English from Latin retrogradus.
Verb: Latin retrogredi or Late Latin retrogredere (retro- "back" + gradi "walk").