α. Old English sæd-leap, late Old English sed-læp, early Middle English seadlip, Middle English ceed-leep, Middle English ceede-leepe, Middle English sed-lep, Middle English sed-lepe, Middle English sede-lep, Middle English sede-lepe, Middle English sede-lip, Middle English seed-leep, Middle English seed-lep, Middle English seed-lepe, Middle English seed-leppe, 1500s seede-leape, 1600s–1700s seed-leap, 1600s– seed-lip; English regional 1600s seed-lib, 1800s sed-lit (Bedfordshire), 1800s seed-lep, 1800s sid-lip (southern and west midlands), 1800s zead-lip (southern), 1800s zeead-lip (Somerset), 1800s zeed-lip (south-western), 1800s– seed-lepe (southern and west midlands), 1900s– seed-leap (Sussex).
β. 1600s seed-lappe, 1600s seed-lop, 1600s sellope, 1600s syd-lop; English regional 1700s–1800s (Worcestershire) sid-lup, 1800s seed-lup (Cornwall), 1800s sid-lop (Worcestershire), 1800s zellap (Devon), 1800s zellup (Devon).
See also seblet n.