What is the meaning of ᚷ?

A letter of the Runic alphabet, present in the Elder Fuþark and the Anglo-Saxon Fuþorc (called ġifu). Represents /j/ and is reconstructed as *gebō, associated with gifts or generosity.

the seventh letter of the Old English runic alphabet, representing ⟨g, ġ⟩ and the sounds /ɡ, j/. Pronounced ġiefu (“gift”)

Source: wiktionary.org