Structure:
付 (hand over) +
诸 (classical contraction of
之于 'it to') +
实施 (implementation) = 'hand it over to implementation'.
诸 here is the literary fusion of
之 (it) +
于 (to) - the same construction appears in
付诸东流 'wash away' and
付诸一笑 'dismiss with a laugh'.
