Ruis (ᚏ) is the fifteenth letter of the

Ogham Ogham ( Modern Irish: ; mga, ogum, ogom, later mga, ogam, label=none ) is an Early Medieval alphabet used primarily to write the early Irish language (in the "orthodox" inscriptions, 4th to 6th centuries AD), and later the Old Irish langu ...

alphabet, derived from ''ruise'' "

red Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a secondar ...

" or "reddening". The kennings refer to the reddening of the face caused by intense emotion, and medieval glossators also refer to the practice of reddening the cheeks with the juice of plants. Its

Proto-Indo-European Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family. Its proposed features have been derived by linguistic reconstruction from documented Indo-European languages. No direct record of Proto-Indo- ...

root was
''h₁reudʰ-''
'red'. Its phonetic value is

Bríatharogam

In the medieval

kennings A kenning ( Icelandic: ) is a figure of speech in the type of circumlocution, a compound that employs figurative language in place of a more concrete single-word noun. Kennings are strongly associated with Old Norse-Icelandic and Old English p ...

, called '' Bríatharogaim'' or ''Word Ogham'' the verses associated with ''ruis'' are: - "most intense blushing" in the ''Bríatharogam'' ''Morann mic Moín'' - "reddening of faces" in the ''Bríatharogam'' ''Mac ind Óc'' - "glow of anger" in the ''Bríatharogam'' ''Con'' ''Culainn''.

References

Ogham letters {{writingsystem-stub