What is "treck"

Trek \Trek\, v. i. [imp. & p. p. Trekked; p. pr. & vb. n. Trekking.] [Written also treck.] [D. trekken. See Track, n.] [South Africa]

1. To draw or haul a load, as oxen.

2. To travel, esp. by ox wagon; to go from place to place; to migrate. [Chiefly South Africa]

   One of the motives which induced the Boers of 1836 to trek out of the Colony.
   --James Bryce.

Trek \Trek\, n. [Written also treck.] [D. Cf. Track, n.] The act of trekking; a drawing or a traveling; a journey; a migration. [Chiefly South Africa]

To the north a trek was projected, and some years later was nearly carried out, for the occupation of the Mashonaland.
--James Bryce.

Great Trek, the great emigration of Boers from Cape Colony which began in 1836, and resulted in the founding of the South African Republic and Orange Free State.

v. go trecking; "We trecked in the Himalayas"