突き砕く
つきくだく- 1to grind up ; to grind down ; to pound ; to crush ; to mash ; to stamp (ore) Translated by Jiyomi
Other writings and readings
つき砕く搗き砕く突きくだく舂き砕く
Godan verb with 'ku' ending · transitive verb
JMdict entry 2828730. Source and licence.