Self starter?
There are a few possibilities for this:
(Other definitions for thy that I've seen before include "Belonging to thee" , "Your, of old" , "Your (archaic)" .)
'self starter?' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for him that I've seen before include "Objective male pronoun" , "That man" , "Proper character" .)
'self starter?' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ess that I've seen before include "top secret" , "One next to tee" , "Nineteenth letter" , "Letter from Mid-West" , "Alphabet letter" .)