Noun, Suru verb, Transitive verbdiligent study; devoting oneself to one's studies

Nounstriking sparks with flint and steel or by rubbing sticks together (usu. to start a fire); fire lit by sparks from flint and steel, etc. · purification ceremony in which sparks are struck in the direction of someone (oft. for good luck)

Noun, Suru verb, Intransitive verbboring; punching

Godan verb with 'ru' ending, Transitive verbto start a fire (with wood-wood friction or by striking metal against stone)

Nounhand drilling (to start a fire); hand drill; rubbing sticks to make a fire