What is the meaning of ᛇ?

A letter of the Runic alphabet, present in the Elder Fuþark (ᛇ) and the Anglo-Saxon Fuþorc (ᛇ, called ēoh) representing /eo/ or /eːo/ and associated with the yew.

the thirteenth letter of the Old English runic alphabet, representing /iː/

Source: wiktionary.org