King and country run by one Gurkha blade (5)

I believe the answer is:

kukri

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'gurkha blade' is the definition.
The definition suggests a singular noun which matches the answer.

'king and country run by one' is the wordplay.
'king' becomes 'K' (chess abbreviation).
'and' means one lot of letters go next to another.
'country' becomes 'UK' (United Kingdom).
'run by' becomes 'r' (cricket abbreviation. I am not sure about the 'by' bit.).
'one' becomes 'i' (Roman numeral).
'k'+'uk'+'r'+'i'='KUKRI'

Can you help me to learn more?

(Other definitions for kukri that I've seen before include "Gurkha knife" , "Gurkha's curved knife" , "Weapon used by Gurkhas" , "Asian weapon" .)

I've seen this clue in the Sydney Morning Herald.

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