Meaning of “cull sth from sth” - Learner’s Dictionary

cull sth from sth

phrasal verb with cull uk us /kʌl/ verb [ T ]

to collect ideas or information from several different places:

[ often passive ] The book is culled from over 800 pages of his diaries.

(Definition of “cull sth from sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)