U+102A5 Carian Letter R

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The Carian alphabets are a number of regional scripts used to write the Carian language of western Anatolia. They consisted of some 30 alphabetic letters, with several geographic variants in Caria and a homogeneous variant attested from the Nile delta, where Carian mercenaries fought for the Egyptian pharaohs. They were written left-to-right in Caria (apart from the Carian–Lydian city of Tralleis) and right-to-left in Egypt.

Carian was deciphered primarily through Egyptian–Carian bilingual tomb inscriptions, starting with John Ray in 1981; previously only a few sound values and the alphabetic nature of the script had been demonstrated. The readings of Ray and subsequent scholars were largely confirmed with a Carian–Greek bilingual inscription discovered in Kaunos in 1996, which for the first time verified personal names, but the identification of many letters remains provisional and debated, and a few are wholly unknown.

The Carian alphabet resembles the Greek alphabet, but the exact Greek variant from which it could have originated, has not yet been identified. The main reason for this is that some of the Greek letters have different sound values in Carian. Two hypotheses have been suggested to explain this. The first is that the Greek letters were randomly attributed to phonetic values; though some letters retained their Greek value. The second proposed by Adiego (2007), is "that the Carian alphabet underwent a strong process of cursivisation, dramatically changing the form of many letters. At a certain point this graphic system underwent a change to 'capital' letters, for which the Greek capital letters were used as models - but now only from a formal point of view, disregarding their phonetic values (...).".