The story
- Latin · derived fromrudimentum“a first attempt, a beginning”
- Old French · derived fromrudiment
- English todayrudiment
From Old French rudiment, from Latin rudimentum (“a first attempt, a beginning”), plural rudimenta (“the elements”), from rudis (“rude”); see rude. By surface analysis, rude + -i- + -ment.
Etymology from Wiktionary, CC BY-SA 4.0.