ياسرهُ
1.
, [verbal noun مُيَاسَرَةٌ] He was gentle towards him; acted gently towards him; treated him with gentleness; synonym لَايَنَهُ: (M, A, K:) he was easy, or facile, with him; synonym سَاهَلَهُ. (S, K.) Ex., cited by Th, from a poem: إِنْ يَاسَرْتَهُمْ يَسَرُوا
If thou treat them with gentleness, they become gently. (M.) And يَاسَرَ الشَّرِيكَ
He was easy, or facile, with the partner. (TA, from a tradition)
2.
ياسر, (verbal noun مُيَاسَرَةٌ, K,) He took the left-hand side or direction; (S, M, A, Msb, K;) as also
تياسر; (S, Msb, K;) which latter is the opposite of
تيامن: (K:) or
تَيَاسَرُوا
they took the lefthand side or direction; opposite of
تَيَامَنُوا. (A.) You say, يَاسِرْ بِأَصْحَابِكَ
Take thou the left-hand side or direction with thy companions; (S, A;) as also تَيَاسَرْ; but some disapprove of this latter. (S.) And يَاسَرَ بِالقَوْمِ
He took the left-hand side or direction with the people; as also
يَسَرَ بِهِمْ aorist يَيْسِرُ; according to Sb. (M, TA.)