To stumble
Tafa'alaArabic verb conjugation for root تعثر — meaning To stumble — past تَعَثَّرَ, present يَتَعَثَّرُ, imperative تَعَثَّرْ. Past (الماضي) is the completed action, present (المضارع) is the ongoing or future action, and the imperative (الأمر) is the command form when a command form is stored.
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