The story
- Latin · derived frominiūnctiō“command, injunction”
- Old French · derived frominjonctïon
- Middle English · inherited frominiunccyon
- English todayinjunction
From Middle English iniunccyon, iniunccion, from Old French injonctïon, from Latin iniūnctiō (“command, injunction”).
Etymology from Wiktionary, CC BY-SA 4.0.