
1) Gesture of respect
Found on
https://www.crosswordclues.com/clue/proskynesis

Proskynesis (s; Greek προσκύνησις) refers to the traditional Persian act of bowing or prostrating oneself before a person of higher social rank. In the Eastern Orthodox Church the term proskynesis is used theologically to indicate the veneration given to icons and relics of the saints; as distinguished from latria, the adoration which i...
Found on
http://en.wikipedia.org/wiki/Proskynesis

(from the article `ancient Greek civilization`) First, Alexander attempted to introduce the Persian court ceremonial involving proskynesis, or obeisance. Just what this entailed is disputed; ...
Found on
http://www.britannica.com/eb/a-z/p/122
No exact match found.