Phago- ultimately comes from the Greek phageîn, meaning “to eat, devour.” This Greek root also helps form the word esophagus.

What is origin of phagocytosis?

(2) phagocytosis is ancestral to crown-group eukaryotes, which originated towards the end Mesoproterozoic. post-LECA phagocytosis. (3) phagocytosis evolved independently within crown-group eukaryotes, which originated by the end Palaeoproterozoic.

What does the root word phago?

From the Greek "phago" meaning "to eat." Examples of words starting with phago- include: phagocyte, a cell that can engulf particles; and phagophobia, an excessive fear of eating.