adverb taking the 'to' particle, taru-adjective
diligently; assiduously; unceasingly
Describes working hard and persistently, often with a literary or formal tone. Commonly used with verbs like 働く, 努力する, or 研究する.
He is diligently devoting himself to his research.
The sight of the farmers working unceasingly was impressive.
assiduously; with unremitting zeal
Standard kanji spelling; the repetition mark 々 is used.
Full kanji spelling without the repetition mark; less common.
Reduplication of 営 (えい), meaning 'to carry out' or 'to manage', emphasizing continuous, diligent effort. The exact historical derivation is uncertain, but the form is established in literary Japanese.