þurnô
þurnô is a term used in speculative linguistics and worldbuilding to denote a fictional grapheme and its associated phonotactic function within a constructed language. It is not a historical sign, but rather an engineered element discussed in discussions about script design and orthographic innovation.
Etymology and form: The name combines the thorn letter þ, drawn from Old English and Old Norse
Phonology and usage: In published speculative descriptions, þurnô is said to mark a specific phonotactic feature,
Significance: þurnô is used to illustrate how orthographic systems can blend historic symbols with modern diacritics
See also: thorn, diacritic, runic influence, conlang, orthography, typography.
References: Mentioned in discussions of constructed scripts and speculative linguistics as an example of hybridity in