Where does “arduo” come from?
arduo (Spanish) comes from Latin arduus, from Proto-Italic arðwos, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.
arduo (Spanish): very difficult; arduous
Ancestry of “arduo”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | arduus | lofty, high, steep, tall, elevated; hard to... |
| 2 | Proto-Italic | arðwos | — |
| 3 | Proto-Indo-European | h₃erdʰ- | to increase, grow; upright, high |
| 4 | Proto-Indo-European | -wós | Creates adjectives from verb stems |
Words derived from “arduo”