The problem with /zehr/ is that it tries to imitate the proper German pronunciation of sehr by something that resembles an English word. The /h/ for example is not an indicator of a certain sound by itself, it only serves to tell the speaker that the e is a long one. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.