Hold one picture: something that should run smoothly catches for a moment, makes a short sound, and then goes on. In the body that is the breath — one sharp 'hic' you did not choose and cannot stop, usually a run of them, and then they are gone. Everything else this word does is that same catch, lent to something bigger: a plan, a deal, an engine, a video call.
From the word’s history
Wiktionary derives hiccup from earlier hickop / hicket, from hic (imitating the sound) plus the small-thing ending -ock. The word is a copy of the noise it names, which is why the sound sits at the centre of every use.
來源記載 hiccup 來自更早的 hickop、hicket，由 hic（模仿那一聲）加上小詞尾 -ock 組成。也就是說，這個字本身就是那個聲音的複製品——所以每一種用法的中心都還是「短短的一聲頓挫」。
Wiktionary entry for 'hiccup' (kaikki extract, source_ref kaikki:3f6f69a190036ae4:426453165:79560)
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