x1 is joined/connected to/with something which is joined/connected to/with something which ... which is joined/connected to/with something which is joined/connected to/with x2 via intermediate things/steps x3 (ce'o), with respective points/loci of (con)juncture x4 (ce'o).
grammatically converts LAhE to SE; semantically the result tags the x1 of the selbri as being LAhE the supplied x1. Can be converted to other than x1 with SE.