Origin: Latin suffix -al
Sequential has 2 different meanings across 1 category:
in regular succession without gaps
"serial concerts"
Succeeding or following in order.
"The students completed their math problems sequentially, starting from number one and working up to ten."
In plain English: Sequential means things happen one after another in that specific order.
"The instructions listed in sequential order made it easy to follow along without getting confused."
The word comes from the Latin sequentia, meaning a following or succession of events. It entered English with the suffix -al to describe something arranged one after another.