Proto-Indo-European

*upo

‘up from under, over’

Every word has its own definition in its root. These English words share one: Proto-Indo-European *upo.

2 English words in this record descend from Proto-Indo-European *upo, most familiar first.

• open ← *opan ← *upanaz
• underboss ← sotto ← subtus ← sub ← *supo

Etymograph / Proto-Indo-European *upo