The woman—a gem—studied the charges and told me she was going to look at the origination of their purchases.
1640s, from Middle French origination (15c.), from Latin originationem (nominative originatio), from originem (see original (adj.)).
1650s, probably a back-formation of origination. In earliest reference it meant "to trace the origin of;" meaning "to bring into existence" is from 1650s; intransitive sense of "to come into existence" is from 1775. Related: Originated; originating.
originate o·rig·i·nate (ə-rĭj'ə-nāt')
v. o·rig·i·nat·ed, o·rig·i·nat·ing, o·rig·i·nates
To bring into being; create.
To come into being; start.