The story
- Latin · derived fromomittō“to let go”
- Middle English · inherited fromomitten
- English todayomit
At least by 1422, from late Middle English omitten, borrowed from Latin omittō (“to let go”), from ob- + mittō (“to send”), but also had the connotations “to fail to perform” and “to neglect”.
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.