Exact historical dictionary sense
Till in Webster's 1913 dictionary
The 1913 record labels till as verb. Its source-bounded etymology and selected historical definition appear below.
[OE. tilen, tilien, AS. tilian, teolian, to aim, strive for, till; akin to OS. tilian to get, D. telen to propagate, G. zielen to aim, ziel an end, object, and perhaps also to E. tide, time, from the idea of something fixed or definite. Cf. Teal, Till, prep..]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "till" is labeled verb. Its etymology is recorded as: "[OE. tilen, tilien, AS. tilian, teolian, to aim, strive for, till; akin to OS. tilian to get, D. telen to propagate, G. zielen to aim, ziel an end, object, and perhaps also to E. tide, time, from the idea of something fixed or definite. Cf. Teal, Till, prep..]" The selected historical definition says: "To plow and prepare for seed, and to sow, dress, raise crops from, etc., to cultivate; as, to till the earth, a field, a farm."