Appendix:Arabic roots/ي ء س

Variant of ء ي س (ʔ y s).

ي ء س • (y ʔ s)

1. related to giving up

• Form I: يَئِسَ (yaʔisa, “to give up hope”)
  • Verbal noun: يَأْس (yaʔs), يَآسَة (yaʔāsa)
  • Active participle: ?
  • Passive participle: مَيْئُوس (mayʔūs)
• Form I: يَئِسَ (yaʔisa, “to know”)
  • Verbal noun: يَأْس (yaʔs)
  • Active participle: ?
  • Passive participle: مَيْئُوس (mayʔūs)
• Form II: يَأَّسَ (yaʔʔasa)
  • Verbal noun: تَيْئِيس (tayʔīs)
  • Active participle: مُيَئِّس (muyaʔʔis)
  • Passive participle: مُيَأَّس (muyaʔʔas)
• Form IV: أَيْئَسَ (ʔayʔasa, “to lead into desperation”), أَيْأَسَ (ʔayʔasa, “to lead into desperation”)
  • Verbal noun: إِيئَاس (ʔīʔās)
  • Active participle: مُوئِس (mūʔis)
  • Passive participle: مُوءَس (mūʔas)
• Form VIII: اِتَّأَسَ (ittaʔasa, “to lose hope regarding (with مِن)”)
  • Verbal noun: اِتِّئَاس (ittiʔās)
  • Active participle: مُتَّئِس (muttaʔis)
• Form X: اِسْتَيْئَسَ (istayʔasa, “to lose hope regarding (with مِن)”), اِسْتَيْأَسَ (istayʔasa, “to lose hope regarding (with مِن)”)
  • Verbal noun: اِسْتِيئَاس (istīʔās)
  • Active participle: مُسْتَيْئِس (mustayʔis)
• يَأْس (yaʔs)
  • سِنّ الْيَأْس (sinn al-yaʔs)
• يَئِس (yaʔis, “desperate”)
• يَؤُوس (yaʔūs, “very desperate”)

• Freytag, Georg (1837) “ي ء س”, in Lexicon arabico-latinum praesertim ex Djeuharii Firuzabadiique et aliorum Arabum operibus adhibitis Golii quoque et aliorum libris confectum‎ (in Latin), volume 4, Halle: C. A. Schwetschke, page 514
• Lane, Edward William (1863) “ي ء س”, in Arabic-English Lexicon‎, London: Williams & Norgate, pages 2973–2974
• Steingass, Francis Joseph (1884) “ي ء س”, in The Student's Arabic–English Dictionary‎, London: W.H. Allen, page 1237