42. PENDING, during or hanging, has a participial form, but is either an adjective or a preposition: we do not use pend alone as a verb, though we have it in depend.
43. RESPECTING, concerning, is from the first participle of the verb respect.
44. ROUND, a preposition for about or around, is from the noun or adjective round.
45. SINCE is most probably a contraction of the old word Sithence; but is conjectured by Tooke to have been formed from the phrase, "Seen as."
46. THROUGH [, Sax. Thurh, or Thurch,] seems related to Thorough, Sax. Thuruh; and this again to Thuru, or Duru, a Door.
47. THROUGHOUT, quite through, is an obvious compond of through and out.
48. TILL, [Sax. Til or Tille,] to, until, is from the Saxon Til or Till, an end, a station.
49. TO, whether a preposition or an adverb, is from the Anglo-Saxon particle To.
50. TOUCHING, with regard to, is from the first participle of the verb touch.
51. TOWARD or TOWARDS, written by the Anglo-Saxons Toweard or Toweardes, is a compound of To and Ward or Weard, a guard, a look-out; "Used in composition to express situation or direction."—Bosworth.