row (n.1) Look up row at Dictionary.com
"line of people or things," Old English ræw "a row, line; succession, hedge-row," probably from Proto-Germanic *rai(h)waz (cognates: Middle Dutch rie, Dutch rij "row;" Old High German rihan "to thread," riga "line;" German Reihe "row, line, series;" Old Norse rega "string"), possibly from PIE root *rei- "to scratch, tear, cut" (cognates: Sanskrit rikhati "scratches," rekha "line"). Meaning "a number of houses in a line" is attested from mid-15c., originally chiefly Scottish and northern English. Phrase a hard row to hoe attested from 1823, American English.
row (v.) Look up row at Dictionary.com
"propel with oars," Old English rowan "go by water, row" (class VII strong verb; past tense reow, past participle rowen), from Proto-Germanic *ro- (cognates: Old Norse roa, Dutch roeien, West Frisian roeije, Middle High German rüejen), from PIE root *ere- (1) "to row" (cognates: Sanskrit aritrah "oar;" Greek eressein "to row," eretmon "oar," trieres "trireme;" Latin remus "oar;" Lithuanian iriu "to row," irklas "oar;" Old Irish rome "oar," Old English roðor "rudder").
row (n.2) Look up row at Dictionary.com
"noisy commotion," 1746, Cambridge University slang, of uncertain origin, perhaps related to rousel "drinking bout" (c.1600), a shortened form of carousal. Klein suggests a back-formation from rouse (n.), mistaken as a plural (compare pea from pease).