"to be subjected to or exposed to, to endure without complaint," now Scottish and Northern Eng. dial., from O.E. þolian, from P.Gmc. stem *thul- (cf. O.S. tholon, O.H.G. dolon, Ger. geduld, O.N. þola, Goth. þulan), cognate with L. tolerare (see toleration).
thole (n.)
"peg," from O.E. þoll, from P.Gmc. *thulnaz (cf. O.N. þollr, M.L.G. dolle, E.Fris. dolle, Du. dol), of unknown origin. No record of the word in Eng. from c.1000 to c.1440.