where did it take its name from?
From medieval Latin word "aequator"
Equator
The name is derived from medieval Latin word "aequator", in the phrase "circulus aequator diei et noctis," meaning 'circle equalizing day and night', from the Latin word "aequare" meaning 'make equal'.
we would expect what with low pressure in the northern hemisphere Large polar cyclones what is this aforesaid area? It is the half of Earth that is north of the Equator. what is this last mentioned thing? It is a specific case of a planetary equator. It is about long, of which 78.8% lies across water and 21.3% over land.
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Equator [SEP] Etymology
The name is derived from medieval Latin word "aequator", in the phrase "circulus aequator diei et noctis," meaning 'circle equalizing day and night', from the Latin word "aequare" meaning 'make equal'.