acostar
to put to bed
a-
to (verb prefix)
+
costa
coast, shore
+
-ar
verb suffix
Acostar means to put to bed. It's formed with the prefix a-0 (to0), the root costa1 (coast1, think of laying down on the shore), and the -ar2 verb suffix2.
verb
- to put to bedTo put to bedVoy a acostar al niño a las ocho. // I'm going to put the child to bed at eight.
- to go to bedTo go to bedMe acuesto temprano todos los días. // I go to bed early every day.