11 strokes
Jouyou kanji
Taught in 9th grade
JLPT exam level N1

lightning-bug, firefly

Kun'yomi
  • firefly (Luciola cruciata)
On'yomi
  • ケイ

Main Radical

(KanXi)

Reading Commonality

ほたる 85.4%
ケイ 14.6%

Character Breakdown

lightning-bug, firefly
ほたる ケイ (9th, N1)
to learn(𦥯) variant
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
insect, bug, temper
むし チュウ キ (1st, N2)
in, inside, middle
なか チュウ うち (1st, N5)
mouth
くち コウ ク (1st, N4)
number one, line, rod radical (no. 2)
コン シ ジョ
rising stroke
dot, tick or dot radical (no. 3)
チュ (Kentei 1)

Common Words

diligence in studying (e.g. continuing to study even in such poor light as offered by a firefly or that reflected by snow)
fluorescent lamp ②person who is slow to react
firefly watching ②firefly catching
smokers forced to smoke outside
More Words...

References

Unicode hex code 86CD
JIS X 0208 1-23-54
Haig, J. New Nelson Japanese-English Character Dictionary 5302
Halpern, J. New Japanese-English Character Dictionary 2591
Halpern, J. Kodansha Kanji Dictionary 3204
Halpern, J. Kanji Learners Dictionary (Kodansha) 1658
Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) 2248
Heisig, J. Remembering The Kanji 518
Heisig, J. Remembering The Kanji, Sixth Ed. 557
Gakken A New Dictionary of Kanji Usage 1925
Morohashi Daikanwajiten 32983
Henshall, K. A Guide To Remembering Japanese Characters 1200
Spahn and Hadamitzky Kanji and Kana 1878
Spahn and Hadamitzky Kanji and Kana (2011 edition) 2043
Hodges & Okazaki Japanese Kanji Flashcards 1717
Kask, A. Tuttle Kanji Cards 1482
Nishiguchi & Kono Kanji in Context 1676
Kodansha Kodansha Compact Kanji Guide 1607
Maniette, Y. Les Kanjis dans la tete 524
Tuttle Dictionary Descriptor Code 3n8.2
Four corner code 3213.6