From the past is a term used to describe something that has been around for a long time. The crossword solutions for this term are BLAST, OLD, and RETRO. BLAST is an acronym for 'Backward Looking And Synchronous Technology', which is a type of computer system that uses OLD technology. OLD is a simple three letter word meaning something that has been around for a long time. RETRO is a five letter word meaning something that is reminiscent of the past or has a vintage style.