hour.

Division of the day into (more or less) equal parts, not necessarily 60 minutes. Perhaps one twelfth of one day-and-night. Not “time, occasion”.

C.E. auri, “heat, period of sun”, -sta, from P.E. root SAT, “divide, part” auri-sta > aurest > ores(t)

{any attested word of similar syntax)

ores

Paul Strack