Seems to have entered the English language from Germanic as 'thurh' or 'durch'.There is some connection with Latin 'trans' and Sanskrit 'tarati'
No, the word 'thorough' is an adjective, a word that describes a noun (a thorough examination, a thoroughscrubbing, etc.)The noun form of the adjective 'thorough' is thoroughness.
French and Creole
The word "thorough" in French is "complet" or "exhaustif."
The homophone of "thorough" is "thorough." This word does not have a homophone, as it is already spelled and pronounced uniquely.
Ay
By design. Of course it depends on what you mean by robust.
The word "thorough", meaning complete or intensive, is properly spelled.The similar word is "through" (via, or penetrating, often inaccurately shortened to thru).
Checkup
cheese
The word is "through."
The headmaster called me into his office and gave me a thorough telling off for breaking the window.
There are four phonemes, or speech sounds, in the word 'thorough'. One phonemes is formed by the "ough" at the end.The phonemes are th - o - r - ough.