WordNet: quintessence

the purest and most concentrated essence of something

• hypernym center, centre, core, essence, gist, heart, heart and soul, inwardness, kernel, marrow, meat, nitty-gritty, nub, pith, substance, sum

quintessence

• (englanti) quintessential (derivationally related)
• (suomi) olennaisin osa (synonyymi)