Reconstruction:Proto-Celtic/oβnus

Etymology
.

According to Matasović, possibly related to 🇨🇬, assuming the root to be, though this root is usually reconstructed as on the basis of 🇨🇬.

Or, from ; see the cognates listed at 🇨🇬.

An alternative theory links the root to, to which 🇨🇬 may also belong.

Noun

 * 1) fear