'initially coined' is correct and usable in written English.
You can use 'initially coined' when referring to a phrase or term that was first introduced or created. Example sentence: The phrase "work-life balance" was initially coined by the World Health Organization.
The word "Internet" was initially coined as an easy way to refer to the combination of these two networks, to their "internetworking".
The bidirectional associative memory (BAM) neural network models were initially coined by Kosko, see [1, 2].
Indeed, the term Janeite was initially coined by the male literary critic George Saintsbury.
Initially coined by Vilacosta and Roman [21] the term "acute aortic syndrome" comprises three different but related entities: Aortic dissection (AD) Intramural haematoma (IMH) Penetrating atherosclerotic ulcer (PAU).
The phrase "separation of church and state" was initially coined by Baptists striving for religious toleration in Virginia, whose official state religion was then Anglican (Episcopalian).
Although the STEM acronym was initially coined to highlight the importance of the respective disciplines, the interdisciplinary nature of the world in which we live and work demands a broadening of STEM education and research (Hoachlander, 2014/2015).
The term Gregorian Reform was coined initially with an apologetic intent.
The term soca (initially spelled sokah) was coined in the 1970s by Trinidadian musician Lord Shorty Garfield Blackmann), who sang calypso, a type of Afro-Trinidadian song style characterized by storytelling and verbal wit.
Many initially thought that South Korea would be unfriendly to crypto after it banned local initial coin offerings (ICOs) last year and issued regulations that reined in cryptocurrency trading.
Initially the coin rolls on its side – almost upright, as if along a flat plain stretching out in front of it – in a large graceful circle.
The term BREXIT, coined in 2012, used initially in print and social media in the UK is now internationally wide-spread.
