突破口

Reading

Kana: とっぱこう

Romaji: toppakou

Definition

noun

1

breakthrough (research, etc.); breach; opening

Kanji

突

Readings: トツ、 カ、 つ.く

Meanings: stab, protruding, thrust, pierce, prick, collision, sudden

破

Readings: ハ、 やぶ.る、 やぶ.れる、 わ.れる

Meanings: rend, rip, tear, break, destroy, defeat, frustrate

口

Readings: コウ、 ク、 くち

Meaning: mouth