section (n.) Look up section at Dictionary.com
1550s, from Middle French section, from Latin sectionem (nominative sectio) "a cutting, cutting off, division," noun of action from past participle stem of secare "to cut," from PIE root *sek- "cut" (cf. Old Church Slavonic seko, sesti "to cut," secivo "ax, hatchet;" Lithuanian isekti "to engrave, carve;" Albanian sate "mattock;" Old Saxon segasna, Old English sigðe "scythe;" Old English secg "sword," seax "knife, short sword;" Old Irish doescim "I cut;" Latin saxum "rock, stone").