Lots of vexation over 6d. A big hint was given earlier in the thread. Def is last 4 words, but beware of the first of the four.
Wordplay is usual single letter for English + 4 letter "point" without it's final letter, the usual for positive.
The entry is then evened to give at least 22 and a half yards, which fits with the evened 11Ac.