Revelation 2:25

Greek	πλὴν ὃplugin-autotooltip__default plugin-autotooltip_bigὅς, ἥ, ὅ greek Meaning: * Who * Which * What The relative pronoun that connects a relative clause to a main clause, referring back to a noun or pronoun (called the antecedent). It is distinct from ὅτι (“that,” introducing indirect speech) and from ὅς as an interrogative in older Greek (meaning ἔχετε κρατήσατε ἄχρι οὗplugin-autotooltip__default plugin-autotooltip_bigὅς, ἥ, ὅ greek Meaning: * Who * Which * What The relative pronoun that connects a relative clause to a main clause, referring back to a noun or pronoun (called the antecedent). It is distinct from ὅτι (“that,” introducing indirect speech) and from ὅς as an interrogative in older Greek (meaning ἂν ἥξω.
ESV	Only hold fast what you have until I come.
NIV	Only hold on to what you have until I come.
NLT	except that you hold tightly to what you have until I come.
KJV	But that which ye have already hold fast till I come.