English word giddy comes from Proto-Germanic *gudīgaz, and later Old English gydig (Possessed by an evil spirit; mad.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *gudīgaz | Proto-Germanic (gem-pro) | |
| gydiġ | Old English (ang) | |
| gydig | Old English (ang) | Possessed by an evil spirit; mad. |
| gydi | Middle English (enm) | |
| giddy | English (eng) | (obsolete, transitive) To make dizzy or unsteady.. To reel; to whirl. (archaic) Frivolous, impulsive, inconsistent, changeable.. Causing dizziness: causing dizziness or a feeling of unsteadiness.. Dizzy, feeling dizzy or unsteady and as if about to fall down.. Lightheartedly silly, or joyfully elated. |