From Middle English therwith, from Old English þǣrwiþ (“therewith, in return, in exchange, against”), equivalent to there + with. Cognate with Danish derved (“therewith”), Swedish därvid (“therewith, thereby”). Parallel with Dutch daarmee, German damit (“therewith”), though etymologically different. See also theremid.
therewith (not comparable)
- With this, that or those.
- ca. 1370: He ȝaue ȝow fyue wittes//For to wershepen hym ther-with - Piers Plowman, ii-16
- I have learned, in whatever state I am, therewith to be content. - Philippians, 4:11
- In addition to that; besides, moreover.
- To speak of strength and therewith hardiness. - Geoffrey Chaucer
- Thereupon, forthwith; with that being said or done.
- 1869: 'I take the privilege, Mistress Ruth, of saluting you.' ...And therewith I bussed her well. - Richard Blackmore, Lorna Doone, 1.
- (about): hereabout, thereabout, whereabout
- (abouts): hereabouts, thereabouts, whereabouts
- (after): hereafter, thereafter, whereafter
- (again): thereagain
- (against): thereagainst, whereagainst
- (among): thereamong, whereamong
- (around): therearound
- (as): thereas, whereas
- (at): hereat, thereat, whereat
- (before): herebefore, therebefore
- (beside): therebeside
- (by): hereby, thereby, whereby
- (fore): herefore, therefore, wherefore
- (from): herefrom, therefrom, wherefrom
- (in): herein, therein, wherein
- (in after): hereinafter, thereinafter, whereinafter
- (in before): hereinbefore, thereinbefore, whereinbefore
- (into): hereinto, thereinto, whereinto
- (of): hereof, thereof, whereof
- (on): hereon, thereon, whereon
- (to): hereto, thereto, whereto
- (tofore): heretofore, theretofore, wheretofore
- (under): hereunder, thereunder, whereunder
- (unto): hereunto, thereunto, whereunto
- (upon): hereupon, thereupon, whereupon
- (with): herewith, therewith, wherewith
- (withal): herewithal, therewithal, wherewithal
- therewith in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
- The Century Dictionary, The Century Co., New York, 1914