TIME PAST is a term used to refer to a period of time in the past. YORE, with 4 letters, is an archaic word for a long time AGO. THEN, also with 4 letters, is a word used to refer to a point in time in the past. AGO, with 3 letters, is a word used to refer to a period of time that has passed since a particular event. ERA, also with 3 letters, is a period of time in history or prehistory. ELD, with 3 letters, is an old-fashioned word for a long time AGO. BYGONEERA, with 9 letters, is a term used to refer to a period of time in the past that is no longer relevant.