to impede is a form of:

Segmentation



noun
1.
(Division into segments) ការបែងចែកជាកំណាត់
2.
(បច្ចេកទេស) ការបែងចែកជាផ្នែក
ENGLISH MEANING
noun
1.
(BIOLOGY) A self-division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation.
2.
The act or process of dividing into segments.