‘Quintessentially’ is one of those words which tends to get associated with England and English things - cups of tea, trooping the colour, losing at cricket. The derivation of the word itself (quint-essence or fifth essence) actually comes from medieval alchemy, the idea being that base metals, if refined five times, became gold.
I'm sure you have read Tom's "Newton and the Counterfeiter" but just in case you haven't... https://thomaslevenson.com/newton-counterfitter