Is this a cognate with Italian "colazione"? Not that it would get less confusing, as that is the Italian word for breakfast ...
Yes, they both stem from the latin "collatio" which meant collection (bringing together).
The word also exists in french : "collation". It's a small lunch, usually right after an event, or during the night.
I Should expect 'tea' as well as 'dinner' for 'kolację' if you are from North England :) it was presented as an option after all!
"jedz kolację!" Or "Zjedz kolację". singular Jedzcie kolację or Zjedzcie kolację plural
My husband who is Polish says obiad should be dinner and kolacja should be supper. There is no lunch.
Polish dinner, or obiad, falls between 2-3pm when most people get home work. It typically is the largest meal of the day. Kolacja is usually a small meal around 7pm.
Nowadays we have both lunch and brunch in Poland. It all depends on the area and lifestyle but in Warsaw it's quite westernized.
kolację (e with tail) is singular accusative
kolacje (e without tail) is plural nominative=accusative
After the verb "jeść" (to eat) you have to use the accusative (biernik) case: kolację. Other examples: Ona je banana. (She is eating a banana). Ja jem ciastko. (I am eating a cookie). My jemy wielki tort. (We are eating a big cake).
It should be pointed out that in the last two of these examples, the accusatives (ciastko, tort) are the same as the nominatives, so they're not very helpful to people trying to familiarize themselves with the idea of the accusative! :)
In the second case, you've chosen a noun that does change in the accusative (banan -> banana), but an English speaker is likely to think 'banana' is the nominative. Confusing :)