𐍉

Uncertain. Has been linked to both Ancient Greek Ο (O, “omikron”) and Ω (Ō, “omega”), as well as Runic ᛟ (/o/ or /ō/). Snædal (2015; see references) favours the first derivation, interpreting it as being (like the letter 𐌿 (u, “urus”)) an adapted allograph of Greek omikron.

𐍉 • (ō)

1. The twenty-sixth letter of the Gothic alphabet, representing /o/, with a numerical value of 800.

• (Gothic script letters) 𐌰 (a), 𐌱 (b), 𐌲 (g), 𐌳 (d), 𐌴 (ē), 𐌵 (q), 𐌶 (z), 𐌷 (h), 𐌸 (þ), 𐌹 (i), 𐌺 (k), 𐌻 (l), 𐌼 (m), 𐌽 (n), 𐌾 (j), 𐌿 (u), 𐍀 (p), 𐍁 (90), 𐍂 (r), 𐍃 (s), 𐍄 (t), 𐍅 (w), 𐍆 (f), 𐍇 (x), 𐍈 (ƕ), 𐍉 (ō), 𐍊 (900)

𐍉 • (ō)

1. o ... ! (vocative particle)
2. ha! (expressing scorn)

• Snædal, Magnus, 'Gothic Contact with Latin: Gotica Parisina and Wulfila's Alphabet', in: Askedal, J.O. and H.F. Nielsen ed., Early Germanic Languages in Contact (Amsterdam 2015) pp. 91-108, especially 103.