From Middle English heie gate, equivalent to high + gate (“way, road, path”).
From
Wiktionary
Highgate Sentence Examples
Schraufite is a reddish resin from the Carpathian sandstone, and it occurs with jet in the cretaceous rocks of the Lebanon; ambrite is a resin found in many of the coals of New Zealand; retinite occurs in the lignite of Bovey Tracey in Devonshire and elsewhere; whilst copaline has been found in the London clay of Highgate in North London.
Sensational evidence of a mock burial was given by an American witness named Caldwell, and others; but eventually it was agreed that the grave at Highgate should be opened.
The Holyhead and Great North Roads, uniting at Barnet, enter London by branches through' Hampstead and through Highgate, between the Old North and Edgware roads.
Some fled to the hills of Hampstead and Highgate, but Moorfields was the chief resort of the houseless Londoner.
Bedford House in Bloomsbury Square had its full view of Hampstead and Highgate from the back, and Queen's Square was built open to the north in order that the inhabitants might obtain the same prospect.