U

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Character
Customary name:	y psilon
Represents:	u

Variants and attestation

Transliteration	Sinistroverse		Dextroverse
	Glyph	Number	Glyph	Number
U		31		8
U2		86		5
U3		5		3
U4		7		0
U5		8		5

Commentary

Upsilon is one of the letters (together with Lambda and Pi) which serve as a basis for distinguishing the Magrè and Sanzeno alphabets (see Script): The "inverted" variant (, ), sometimes termed "Venetoid" in the TIR, is attributed to the Magrè alphabet, while (), typical for the Etruscan and Lugano alphabets, is used in the Sanzeno alphabet. The choice between a symmetrical form and a rarer one with a straight hasta appears to be one of style – the form of Alpha (/) usually corresponds to that of Upsilon. The curved variant (again, together with curved Alpha) appears only in rock inscriptions and the possibly archaic PU-1, as well as in the Trissino (not yet autopsied).

In addition to Raetic /u/, Upsilon may have been employed to write foreign middle back rounded vowel phones ([o] or similar). See The Raetic language for a discussion.