Etymology
Advertisement

sync (n.)

also synch, 1929, shortened form of synchronization (see synchronize). Originally in reference to soundtracks and pictures in the movies. Sense of "synchronization, harmony, agreement" first recorded 1961 in in sync. As a verb, short for synchronize, by 1945.

Advertisement
Advertisement
Definitions of sync

sync (v.)
make synchronous and adjust in time or manner;
Synonyms: synchronize / synchronise
From wordnet.princeton.edu