Sin-trendel

According to the Old English Dictionary:

-tryndel ;

sin-trendel

adj. Round, circular, or globular :--Dó hyt syntrændel (sinetrundæl, MS. V., sinetrum del, MS. H.) make a ball of it, Lchdm. i. 106, 17. Sintryndel lytel scyld ancile, Wrt. Voc. i. 35, 58. next word, and cf. sin-hwurfol, seonu-wealt. sin-trendel