gāu- / Indo-European roots
To rejoice; also to have religious fear or awe.Oldest form *geh2u-, colored to *gah2u-, becoming *gau- (before consonants) and *gāw- (before vowels).
1. Suffixed extended form *gāw-idh-ē-. gaud, gaudy1, gaudy2, joy; enjoy, rejoice from Latin gaudēre, to rejoice.
2. Form (with nasal infix) *gə-n-u-. ganoid from Greek ganusthai, to rejoice.
[Pokorny gāu- 353.]