汗牛充棟

Reading

Kana: かんぎゅうじゅうとう

Romaji: kangyūjūtou

Definition

noun

1

(having, there being) a great number of books

Note: yojijukugo

Kanji

汗

Readings: カン、 あせ

Meanings: sweat, perspire

牛

Readings: ギュウ、 うし

Meaning: cow

充

Readings: ジュウ、 あ.てる、 み.たす

Meanings: allot, fill

棟

Readings: トウ、 むね、 むな-

Meanings: ridgepole, ridge