A new word or phrase from the Hans Wehr dictionary, every Wednesday.
تقهقر taqahqur regress, recession, recedence, retrogression, lag, fallback, retreat
Root: ق-ه-ق-ر
Page: 929*
Example: “قَد اُضطُرّوا إلى التَقَهْقُر”
Translation: “they were forced to retreat”
* The Hans Wehr Dictionary of Modern Written Arabic, 4th Edition
The Arabic Pages 
Great posts on learning Arabic. I loved each one of them. The dedication is admirable, and the methods you suggest are educational as well as fun at the same time. Keep writing!