The story
- Latin · derived frominōrdinātus“not arranged, disordered, irregular”
- Middle English · inherited frominordinat
- English todayinordinate
From Middle English inordinat, from Latin inōrdinātus (“not arranged, disordered, irregular”), from in- + ordinatus, past participle of ōrdināre (“to arrange, order”).
Etymology from Wiktionary, CC BY-SA 4.0.