aquello
that
aquel
that
+
-lo
neuter suffix
Aquello means that and is formed from aquel0 (that0) + -lo1 (neuter suffix1), making it the neuter form of 'that'.
pronoun
- thatThat (thing or idea) over there, far from both the speaker and the listener¿Qué es aquello en la distancia? // What is that thing in the distance?