一度
いちど
hepburn ichido
once (formal)
Part of speech · noun / adverb
Pattern visualization
Examples
- 一度行ってみたい。I want to go once.
- 一度も会ったことがない。I have not met them even once.
Collocations
一度 (ichido, once formal)一度だけ (only once)一度も (not even once)もう一度一度に (all at once)
Mnemonic
Ichido (一度) is "once (formal)" — B + no-cluster register variant. Pairs with ikkai: ikkai daily, ichido formal / literary / emphatic. Derivatives: ichido dake (only once), ichido mo ~ nai (not even once — emphatic negative), ichido ni (all at once). Korean hanbeon / hancharye / ilgeo split and Chinese yici / yidu / yiju split parallel; Japans ichido register cluster.
Quick check
一度も + neg?