Meaning of الصُّورِ (As‑Ṣūr)
The word صُور (Soor) can be understood to be a قَرْن (Qarn) — a horn — and refers to the final blowing of the trumpet preceding the Day of Judgement.
Surah 50, Ayah 20
وَنُفِخَ فِي الصُّورِ ۚ ذَٰلِكَ يَوْمُ الْوَعِيدِ
“And the trumpet (or horn) will be blown into (or, it will be blown into the trumpet). That is the day
This refers to the second blowing of the horn.The two blowings mentioned
First blowing
The Qur’an talks about two horns being blown. The first blowing causes death everywhere.
Second blowing
The second causes resurrection. This ayah refers to the second blowing of the horn.
Language points and insights
NAK view (as reported)
It is stated that صُور (Soor) can also refer to decayed bodies in Arabic and that some have interpreted that not only will the horn be blown into but also the soul will be blown back into the body.
Note: “I have found no reference for this linguistic meaning or this interpretation in reliable sources.”
Root connection and nuance
Usage in Al‑Baqarah (260)
قَالَ فَخُذْ أَرْبَعَةً مِّنَ الطَّيْرِ فَصُرْهُنَّ إِلَيْكَ
“Take four birds, then cause them to incline towards you” (Al‑Baqarah: 260).
The meaning of صُر (Sur) here is to make something incline. If this meaning was applied to this aayah here it would imply the meaning that blowing into the صُور (Soor) that will make people incline back towards Allah.
Concise takeaway
The verse declares the blowing into the trumpet (or horn) and identifies that moment as the day of threat and warning, highlighting — per the explanation — the second blowing associated with resurrection. Linguistic notes on الصُّورِ (As‑Ṣūr) and the related usage of the root in Al‑Baqarah (260) add a nuanced layer of meaning about “inclining,” as discussed.