Exact historical dictionary sense
Guess in Webster's 1913 dictionary
The 1913 record labels guess as verb. Its source-bounded etymology and selected historical definition appear below.
[OE. gessen; akin to Dan. gisse, Sw. gissa, Icel. gizha, D. gissen: cf. Dan. giette to guess, Icel. geta to get, to guess. Probably originally, to try to get, and akin to E. get. See Get.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "guess" is labeled verb. Its etymology is recorded as: "[OE. gessen; akin to Dan. gisse, Sw. gissa, Icel. gizha, D. gissen: cf. Dan. giette to guess, Icel. geta to get, to guess. Probably originally, to try to get, and akin to E. get. See Get.]" The selected historical definition says: "To form an opinion concerning, without knowledge or means of knowledge; to judge of at random; to conjecture."