Ruler, say, put up with endless orgies, wild ones … (6,3)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Reversal of ( …, put up , in a down clue) EG(abbrev. for “exempli gratia”/for example/say) plus ( with ) anagram of ( …, wild ) last letter deleted from ( endless ) “ orgies ” + I,I(2 x Roman numeral for “one”).