"Operosity" is a word in ENGLISH

Literally, the letters of a word read backwards, but in its usual wider sense, the change or one word or …

Attended with great labor, like the ascending of acclivities; difficult; laborious; as, an arduous employment, task, or enterprise.

In an arduous manner; with difficulty or laboriousness.

To make (a passage) by laborious effort, as in boring; as, to bore one's way through a crowd; to force …

To push forward in a certain direction with laborious effort.

To ascend, as by means of the hands and feet, or laboriously or slowly; to mount.

To ascend or mount laboriously, esp. by use of the hands and feet.

To work like a digger; to study ploddingly and laboriously.

A plodding and laborious student.

To move onward heavily, laboriously, or slowly; to advance with weary effort; to go on lingeringly.

To consume laboriously; -- with away.

In a drudging manner; laboriously.

To drudge; to toil laboriously.

To increase; to add to; to augment; -- now commonly used with out, the notion conveyed being to add to, …

That which encumbers; a burden which impedes action, or renders it difficult and laborious; a clog; an impediment. See Incumbrance.

The act of exerting, or putting into motion or action; the active exercise of any power or faculty; an effort, …

To fish out; to find out by skill or laborious investigation; to search out.

Laborious drudgery; esp., the acting as a drudge for another at an English school.

To open the mouth wide in catching the breath, or in laborious respiration; to labor for breath; to respire convulsively; …

hámtong - Full-grown, developed, strong, mature. Hámtong nga táo, háyup, etc. A mature, full-grown man, beast, etc. Sa amó nga …