# theanine

> English word · Noun · frequency rank #98,794

## Definitions
1. amino acid commonly found in tea

## Etymology
Thea (“genus of tea”) + -anine

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/theanine