the greek base heli- means:

1 self
2 stomach
3 sun
4 mind

2 answers

1. Go to http://www.onelook.com

2. In the search box, enter heli* (including the asterisk).

3. Press the Enter key.

4. Find just that (heli-) in the list and click on that link.

5. Read definitions.
http://www.merriam-webster.com/dictionary/heli