Historical clue formulations

• Snack whose name comes from the Quechua for "dried meat" — 2024-03-06
• Stop-and-start, start-and-stop — 2013-08-04
• Beef product — 2011-09-03
• Spasmodic — 2010-02-07
• Erratic — 2006-08-11
• Rough, as a car engine — 2003-07-09
• Uneven — 2000-12-21