いらいら
いらいら · iraira · JLPT N3 · noun
irritation
🌵 Sounds like ira, Latin for anger, said twice: iraira, nagging irritation
Doubled words in Japanese often describe a feeling or sensation. The old word いら meant a thorn or prickle (also written 苛), so いらいら is a repeated prickling: the jittery, on-edge annoyance of waiting or being kept from something.