Where does “ardu” come from?
ardu (French) comes from Latin arduus, from Proto-Italic arðwos, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.
ardu (French): steep, hence hard to climb; arduous, needing or...
Definitions
- steep, hence hard to climb; arduous, needing or...