ὑγιᾶ

From LSJ

Πέτρος Ἰουδαίοις τάδε πρῶτα τεθέσπικε πιστοῖς → Peter has laid down the following first writing for the Jewish faithful

Source

French (Bailly abrégé)

acc. sg. contr. de ὑγιής.

Russian (Dvoretsky)

ὑγιᾶ: стяж. = ὑγιέα (acc. к ὑγιής).