Here's a little riddle!
Many languages spoken in my prefix
Many stars found in my suffix
Many clauses written in my whole
What am I?
You are:
An End User License Agreement (EULA)
Many languages spoken in my prefix
EU - the European Union, which has 24 official languages.
Many stars found in my suffix
LA - Los Angeles, home to Hollywood (solved by @greysaff)
Many clauses written in my whole
My word, there really are - to the point that most people don't bother reading the whole thing before ticking the 'I Accept' box!
Is the word..
novella ?
Many languages spoken in my prefix
no: means "no" in English, Spanish, and Italian
Many stars found in my suffix
la: many Hollywood stars reside in Los Angeles
Many clauses written in my whole
novella: as with most works of literature is composed of multiple clauses
I think it is:
unlikely
Many languages spoken in my prefix:
un -> United Nations
Many stars found in my suffix:
ly -> light-year
Many clauses written in my whole:
unlikely, common adj./adv. used in clauses (a bit not sure...)
Enhanced Answer:
Based on the comment under GreySaff's answer, might be:
formula
Many languages spoken in my prefix:
for -> preposition in many languages
Many stars found in my suffix:
la -> L.A. Hollywood
Many clauses written in my whole:
formula -> logic true/false clause like A->B, A v B
Many languages spoken in my prefix
for, especially on many programming languages for iterations.
Many stars found in my suffix (answered on @greysaff)
la, the Los Angeles, the place for Hollywood stars.
Many clauses written in my whole
formula, to be precise in logic formula, e.g. 3-SAT.
I think the answer could be
Cola
Many languages spoken in my prefix
CoL refers to the City of London
Many stars found in my suffix (solved by greysaff)
LA
Many clauses written in my whole
COLA, stands for Cost-of-Living Adjustment