-sect

-sect

suff.
1. To cut; divide: trisect.
2. Cut; divided: transect.

[From Latin sectus, past participle of secāre, to cut; see sek- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

-sect

combining form
to cut or divide, esp into a specified number of parts: trisect.
[from Latin sectus cut, from secāre to cut; see saw1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014