立証した
risshoushita
plain past: did proof
N1
How to remember this word
A memory tip for this word is coming soon. For now, try linking it to a real moment from your day — words anchored to real situations stick best.
Example sentence
チームで立証した。
ちーむ で りっしょうした。
chiimu de risshoushita.
We proof as a team.
Usage note
する-verb form of 立証 (proof / substantiation).