What does anaphase mean in cell division events?

In mitosis, the steps can be displayed by PMAT 
(prophase, metaphase, anaphase, telophase)
anaphase is when the chromosomes move apart from each other. 
it's easy to remember because the words "apart" and "anaphase" both start with a

Anaphase is the stage of mitosis before the metaphase when replicated chromosomes are split and the daughter chromatids are moved to opposite poles of the cell. Chromosomes also reach their overall maximum condensation in late anaphase, to help chromosome segregation and the re-formation of the nucleus.

When you are making a guess you are forming a hypothesis

Telophase colchicine is a chemical obtained from plants that prevents the assembly of spindle fibers