alrededor
around
al-
to the
+
rededor
round
Alrededor means around and can be thought of as al-0 (to the0) + rededor1 (round1), literally meaning 'to the round'.
adverb
- aroundAround or surrounding somethingHay muchos árboles alrededor del lago. // There are many trees around the lake.
- aboutApproximately or about a certain amountLlegará alrededor de las tres de la tarde. // He will arrive around three in the afternoon.