datum

n. १ (pl. data) (something that is given either from being experientially encountered or from being admitted or assumed for specific purpose; something upon which an inference or an argument is based) दत्त (न.), पक्ष (पु.) २ (pl. data but oft. sing. in constr.) (as, a material serving as a basis for the discussion, inference or determination of policy, etc.; detailed information of any kind) आधारसामग्री (स्त्री.) ३ (pl. datums) (a point or line or a surface w. r. t. which positions as elevations are measured or indicated) गणना (स्त्री.) (as in : datum line गणना (स्त्री) (as in : datum line, गणना रेषा)