of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence"
of essence
Hyphenation
of es·sence
Turkish pronunciation
ıv esıns
Pronunciation
/əv ˈesəns/ /əv ˈɛsəns/
Etymology
[ &v, before consonants a ] (preposition.) before 12th century. Middle English, off, of, from Old English, adverb & preposition; akin to Old High German aba off, away, Latin ab from, away, Greek apo.