Where does “ard-valley” come from?

ard-valley (Manx) comes from Manx ard, from Old Irish ard, from Proto-Celtic ardwos, from Proto-Indo-European h₃erdʰwós, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.

ard-valley (Manx): city; capital city

Definitions

city; capital city

Ancestry of “ard-valley”, step by step

ard-valley traces back through two separate lines of ancestry.

via Manx ard

Step	Language	Word	Meaning
1	Manx	ard	high; tall; height, high place
2	Old Irish	ard	high; height
3	Proto-Celtic	ardwos	high
4	Proto-Indo-European	h₃erdʰwós	—
5	Proto-Indo-European	h₃erdʰ-	to increase, grow; upright, high
6	Proto-Indo-European	-wós	Creates adjectives from verb stems

via Manx balley

Step	Language	Word	Meaning
1	Manx	balley	town; home; farmstead
2	Old Irish	baile	place, homestead, town, city; vision;...
3	Proto-Celtic	balio-s	—
4	Proto-Indo-European	bʰuH-	to become, grow, appear

Words derived from “ard-valley”

ard-valjagh

Every word from Proto-Indo-European -wós →Every word from Proto-Indo-European h₃erdʰ- →Every word from Proto-Indo-European h₃erdʰwós →