retrasar
delay
re-
again, back
+
trace
to follow a path
+
-ar
verb suffix
Retrasar means to delay and can be thought of as re-0 (again, back0) + trace1 (to follow a path1) + -ar2 (verb2), like going back over a path again, causing a delay.
verb
- delayTo delay or postpone somethingTuvimos que retrasar la reunión debido al mal tiempo. // We had to delay the meeting due to bad weather.