عثر

عَثَرَ • (ʕaṯara) I (non-past يَعْثُرُ (yaʕṯuru) or يَعْثِرُ (yaʕṯiru), verbal noun عِثَار (ʕiṯār) or عَثِير (ʕaṯīr) or عَثْر (ʕaṯr))

1. (intransitive) to stumble, to trip
2. to cause to stumble or trip, to trip [with بِ (bi) ‘someone’]

عَثَرَ • (ʕaṯara) I (non-past يَعْثُرُ (yaʕṯuru), verbal noun عُثُور (ʕuṯūr) or عَثْر (ʕaṯr))

1. to stumble upon, to find, to encounter [with عَلَى (ʕalā) or بِ (bi) ‘something/someone’]
   • 2017 October 20, “الاحتلال يزعم إحباط عمليتي دهس وطعن”, in AlQuds.com‎^[1], archived from the original on 20 October 2017:

     "الفلسطيني "أقدم الليلة الماضية على سرقة شاحنة من منطقة حولون، وجرت عملية بحث عنها حتى عثر عليها في بيت داغان" […] زعمت شرطة الاحتلال أنها اعتقلت فلسطينيا "خطط لتنفيذ عملية طعن بالقدس، وانه عثر بحوزته على سكين.

     The Palestinian “undertook the theft of a truck from the Holon area last night, and an emprise of searching it has been carried out until it was stumbled upon in Bayt Dāġān” (…) The occupation police claimed that it has arrested a Palestinian who “projected to perform a stabbing operation in Al-Quds, and that a knife has been found in his possession.

   1. to find out, to discover
      • 609–632 CE, Qur'an, 5:107:

        فَإِنۡ عُثِرَ عَلَىٰۤ أَنَّهُمَا ٱسۡتَحَقَّاۤ إِثۡمࣰا فَـَٔاخَرَانِ يَقُومَانِ مَقَامَهُمَا مِنَ ٱلَّذِينَ ٱسۡتَحَقَّ عَلَيۡهِمُ ٱلۡأَوۡلَيَـٰنِ فَيُقۡسِمَانِ بِٱللَّهِ لَشَهَـٰدَتُنَاۤ أَحَقُّ مِن شَهَـٰدَتِهِمَا وَمَا ٱعۡتَدَيۡنَاۤ إِنَّاۤ إِذࣰا لَّمِنَ ٱلظَّـٰلِمِينَ

        faʔin ʕuṯira ʕalā ʔannahumā staḥaqqā ʔiṯman faʔāḵarāni yaqūmāni maqāmahumā mina llaḏīna staḥaqqa ʕalayhimu l-ʔawlayāni fayuqsimāni bi-llāhi lašahādatunā ʔaḥaqqu min šahādatihimā wamā ʕtadaynā ʔinnā ʔiḏan lamina ẓ-ẓālimīna

        And if it is found out that they deserve blame, so [let it be] two others of the heirs [instead] whom this [duty] has fallen upon. And these two [shall] swear, "Our testimony is more truthful than theirs! We have not transgressed; [otherwise,] we would be of the wrongdoers.

عَثَّرَ • (ʕaṯṯara) II (non-past يُعَثِّرُ (yuʕaṯṯiru), verbal noun تَعْثِير (taʕṯīr))

1. (transitive) to cause to stumble or trip, to trip up