גָֽא֣וֹן (?)
גָא֣וֹן
40:10 געיה is present (on ג) in μL, maybe,
says BHQ’s implication

The mark in question could easily be accidental. — UM — μL (page 408B, col 2, line -11 (11 counting from bottom of column)):

μA (Aleppo) (page 281r, col 1, line 6, word 3):

μY (Cambridge 1753) (page 84B, col 1, line 17, word 4):

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