constant in application or effort; working diligently at a task; persevering; industrious; attentive:
an assiduous student.
By his assiduousness the work was recommenced this same year, and on the 5th of August, 1858, was completed.
Hidden Treasures Harry A. Lewis
From the latter assiduousness is reached and, finally, Great Services.
Historia Amoris: A History of Love, Ancient and Modern Edgar Saltus
hard-working; persevering: an assiduous researcher
undertaken with perseverance and care: assiduous editing
1530s, from Latin assiduus “attending; continually present, incessant; busy; constant,” from assidere “to sit down to,” thus “constantly occupied” at one’s work; from ad “to” (see ad-) + sedere “to sit” (see sedentary). The word acquired a taint of “servility” in 18c. Related: Assiduously; assiduousness.
n. 1714, “contract between the King of Spain and another power” (especially that made at the Peace of Utrecht, 1713, with Great Britain for furnishing African slaves to the Spanish colonies in the Americas), from Spanish asiento, from asentar “to adjust, settle, establish,” literally “to place on a chair,” from a sentar, from Latin sedens, […]
to give or allocate; allot: to assign rooms at a hotel. to give out or announce as a task: to assign homework. to appoint, as to a post or duty: to assign one to guard duty. to designate; name; specify: to assign a day for a meeting. to ascribe; attribute; bring forward: to assign a […]
capable of being specified: The word has no assignable meaning in our language. capable of being attributed: This work is assignable to a 12th-century poet. Law. capable of being . Historical Examples And now I had awakened, without any assignable cause, hours before my usual time. The Law and the Lady Wilkie Collins Let us […]
one of the notes issued as paper currency from 1789 to 1796 by the revolutionary government on the security of confiscated lands. Historical Examples I looked up, and there, straight before me, saw the same officer who had given me the assignat the night before. Harper’s New Monthly Magazine, Volume 1, No. 3, August, 1850. […]