drudging
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
Drudge \Drudge\ (dr[u^]j), v. i. [imp. & p. p. Drudged (dr[u^]jd); p. pr. & vb. n. Drudging.] [OE. druggen; prob not akin to E. drag, v. t., but fr. Celtic; cf. Ir. drugaire a slave or drudge.] To perform menial work; to labor in mean or unpleasant offices with toil and fatigue. [1913 Webster]
He gradually rose in the estimation of the booksellers for whom he drudged. --Macaulay. [1913 Webster]