Reconstruction talk:Proto-Germanic/grēdagaz

How does *grēduz + *-gaz yield a word ending in -agaz? One would expect the source for this adjective to be *grēdaz +-gaz, but that obviously doesn't exist.. so what happened with the derivation here? — Kleio (t · c) 19:32, 13 January 2017 (UTC)
 * It should be *grēdugaz, and that is listed as an Alternative form on the page. Only Old Norse preserves the -u- Leasnam (talk) 03:28, 8 January 2018 (UTC)