Uncertain; has been related to Ancient Greek ฮ (Th, โthetaโ), ฮจ (Ps, โpsiโ) and ฮฆ (Ph, โphiโ). Magnus Snรฆdal (2015; see references) considers the derivation from phi most likely.
๐ธ โข (รพ)
- The ninth letter of the Gothic alphabet, representing /ฮธ/, with a numerical value of 9.
- (Gothic script letters) ๐ฐ (a), ๐ฑ (b), ๐ฒ (g), ๐ณ (d), ๐ด (ฤ), ๐ต (q), ๐ถ (z), ๐ท (h), ๐ธ (รพ), ๐น (i), ๐บ (k), ๐ป (l), ๐ผ (m), ๐ฝ (n), ๐พ (j), ๐ฟ (u), ๐ (p), ๐ (90), ๐ (r), ๐ (s), ๐ (t), ๐
(w), ๐ (f), ๐ (x), ๐ (ฦ), ๐ (ล), ๐ (900)
- Snรฆdal, 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 99-100.