Exact historical dictionary sense
Moment in Webster's 1913 dictionary
The 1913 record labels moment as noun. Its source-bounded etymology and selected historical definition appear below.
[F. moment, L. momentum, for movimentum movement, motion, moment, fr. movere to move. See Move, and cf. Momentum, Movement.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "moment" is labeled noun. Its etymology is recorded as: "[F. moment, L. momentum, for movimentum movement, motion, moment, fr. movere to move. See Move, and cf. Momentum, Movement.]" The selected historical definition says: "A minute portion of time; a point of time; an instant; as, at that very moment."