XviD was an incredibly popular open-source video codec used in the 2000s and early 2010s. It utilized MPEG-4 compression to squeeze a full-length, high-quality movie down to roughly 700 megabytes (the exact capacity of a standard CD-R disc). Seeing xvida (likely a typo or regional variation of xvid or xvid-a ) indicates the exact encoding type users sought out for compatibility with hardware DVD players and older PCs.
The specific string of text often found in search queries— sirinaapoplanisistisantorini2012dvdripxvida —is a technical filename used in file-sharing communities. The production studio. sirinaapoplanisistisantorini2012dvdripxvida top
Alternatively, could be a garbled form of “Apoplanisis” from the Greek verb αποπλανώ (to seduce/mislead), so the full phrase might translate to: XviD was an incredibly popular open-source video codec