Ether (anag.) (5)
(Other definitions for there that I've seen before include "In position" , "that's the point" , "Place: as indicated" , "Ether (anag)" , "Thither" .)
(Other definitions for three that I've seen before include "Number constituting a crowd?" , "Number of feet in a yard" , "Number of Dumas's musketeers" , "Start to count back, briefly" , "Amount in a trio" .)