湊成一份的東西
這一支就是核心畫面本身：分開的東西並在一起，當一份看。
noun · B1
Two or more different things put together and treated as one, especially different foods sold together under one name; also, more generally, any pairing of things in everyday speech.
組合；套餐
核心畫面
Take a long word, cut it short, and you get a quick everyday one: combination becomes combo. What the short word points at is always the same — separate things standing side by side and counted as one. A tray with rice and soup on it. A few players in a corner. A run of hits the game counts as one chain. Two cards that only matter together.
把一個長字剪短，就得到一個輕快的日常字——combination 變成 combo。它指的東西一直沒變：幾樣分開的東…更多收起
把一個長字剪短，就得到一個輕快的日常字——combination 變成 combo。它指的東西一直沒變：幾樣分開的東西並在一起，被當成一份來算。一個托盤上有飯有湯。角落裡三五個樂手。遊戲裡接連不斷的一串攻擊。兩張分開很普通、湊在一起才有意義的牌。From the word’s history
Wiktionary records combo as a clipping of combination plus -o, which is why the word still means a set of things taken together and why it sounds casual.
Wiktionary 記 combo 是 combination 切短再加 -o 造出來的。這解釋了兩件事：它的意思一直是「湊在一起的一組」，而且它聽起來比原字隨性得多。
Wiktionary, entry “combo” (kaikki:3f6f69a190036ae4:1113167643): “Clipping of combination + -o.”
Three branches
湊成一團的人
並在一起的東西換成樂手，「一組」的意思整個留著，還多帶了「人不多」。
noun · B2
A small group of musicians who play together, usually jazz or dance music, often only three to six people.
小樂團
遊戲裡的組合
同樣是「湊在一起」，但遊戲把它拆成兩種：湊在時間上（動作不斷開），跟湊在效果上（放一起才強）。
noun · B1
In games, a run of moves, hits or notes done one straight after another with no break, counted together as a single chain.
連段；連擊