Where does “Cheapside” come from?

Cheapside is a place name derived from Middle English cheap, which comes from Middle English chapien, Old English cēap (marketplace or trade), Proto-Germanic kaupōną, and Latin caupo (innkeeper or merchant).

Ancestry of “Cheapside”, step by step

Step	Language	Word	Meaning
1	Middle English	cheap	market
2	Middle English	chapien	—
3	Old English	cēap	cattle, purchase, sale, traffic, business,...
4	Proto-Germanic	kaupōną	to buy; trade
5	Proto-Germanic	kaupô	innkeeper; merchant
6	Latin	caupo	Tradesman; Innkeeper, shopkeeper
7	Proto-Indo-European	kaup-	—

Every word from Proto-Indo-European kaup- →

Cheapside — Etymology, Origin & Word History | Etymology Explorer