永 means “eternity, long-lasting”

えい · ei

Also: long, lengthy

Kun'yomi (Japanese reading)
ながい
On'yomi (Chinese reading)
エイ

JLPT N2 · Taught in grade 5 · 5 strokes

The story

Picture a river splitting into streams that run on without end: 永 is forever. Its five strokes hold all eight basic brush moves, so calligraphers have trained on 永 for centuries. 永遠 is eternity.

Used in 永遠 (eien, eternity), 永久 (eikyuu, permanence), and 永住 (eijuu, permanent residence)

More from The Order of Things

Learn 永 and more kanji free on Fuji Learning · All kanji

Readings from KANJIDIC2, © EDRDG, CC BY-SA.