دَايَنْتُهُ
1.
, (S, M, A, K,) verbal noun مُدَايَنَةٌ and دِيَانٌ, (TA,) I dealt, or bought and sold, with him upon credit; (A, TA;) I dealt, or sold and bought, with him, giving upon credit and taking upon credit: (S, TA:) or I lent to him; or I gave him, or granted him, a loan, or the like; and he did so to me: (M, K:) or I dealt with him upon credit, giving or taking. (Ksh * and Bd in ii. 282.)
2.
See also 1, in the latter half of the paragraph.
3.
Each of the inf. ns. mentioned above is also synonym with مُحَاكَمَةٌ [The summoning another to the judge, and litigating with him: &c.]. (TA.)