noun
Describes a state of being keenly motivated or full of drive toward something. Often used with verbs like 見せる or 感じる.
彼は仕事にすごい気込みを見せている。
He shows great enthusiasm for his work.
新しいプロジェクトへの気込みが感じられる。
You can feel his eagerness for the new project.
Compound of 気 (spirit, mind) and 込み (from 込む, to be packed or concentrated). The exact historical derivation is uncertain, but the word conveys a concentrated mental state.