Denshi Jisho — Online Japanese dictionary

るこく carve; engrave; shape (sentences)
Noun 
るこつ painstaking efforts
Noun 
ろうこく carve; engrave; shape (sentences)
Noun 
める ちりばめる to inlay; to set; to stud; to enchase (a thing) with; to mount (gem)
Ichidan verb, Transitive verb, Usually written using kana alone 
彫心 ちょうしんるこつ laborious work; lucubration; lucubrations; painstakingly polishing a piece of literary work
Noun 

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