الّف بَيْنَهُمْ
1.
, verbal noun تَأْلِيفٌ, (T, Msb, K,) He united them, or brought them together, (T, Msb, TA,) after separation; (T, TA;) and made them to love one another; (Msb;) he caused union, or companionship, (أُلْفَة,) to take place between them. (K.) And أَلَّفْتُ بَيْنَ الشَّيْيءَيْنِ, verbal noun as above, [I united, or put together, the two things.] (S.) And ألّف الشَّىْءَ
He united, or connected, (T,) or gathered or collected or brought together, (M,) the several parts of the thing. (T, M.)
3.
تَأْلِيفٌ is The putting many things into such a state that one name becomes applicable to them, whether there be to some of the parts a relation to others by precedence and sequence, or not: so that it is a more general term than تَرْتِيبٌ: (KT:) or the collecting together, or putting together, suitable things; from الالفة [i. e. الأُلْفَةُ]; and is a more particular term than تَرْكِيبٌ, which is the putting together things, whether suitable or not, or placed in order or not. (Kull p. 118.)
4.
أَلَّفُوا إِلَى كَذَا: see 5.
6.
See also 4, in three places.