n.
a long difficult journey, especially one made on foot.
▸S. African a leg or stage of a journey.
v.
(treks, trekking, trekked)
go on a trek.
▸historical, chiefly S. African migrate or journey by ox wagon.
▸S. African (of an ox) draw a vehicle or pull a load.
Derivative
Etymology
C19: from S. Afr. Du. trek (n.), trekken (v.) ‘pull, travel’.