Where does “archfarchnad” come from?

archfarchnad (Welsh) comes from Welsh marchnad, from Middle Welsh marchnat, from Old Norse marknaðr, from Latin mercatus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

archfarchnad (Welsh): supermarket; hypermarket

Definitions

supermarket; hypermarket

Ancestry of “archfarchnad”, step by step

Step	Language	Word	Meaning
1	Welsh	marchnad	market
2	Middle Welsh	marchnat	market
3	Old Norse	marknaðr	market
4	Latin	mercatus	trade, traffic, buying and selling; market,...
5	Latin	-tus	Forms the past participle of verbs; Forms...
6	Proto-Italic	-tus	—
7	Proto-Indo-European	-tus	Derives action nouns from verb roots

Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin mercatus →