Word Study
am (root: be)
CIDE DICTIONARY
am, [AS. am, eom, akin to Gothic im, Icel. em, Olr. am, Lith. esmi, L. sum., Gr. , Zend ahmi, Skr. asmi, fr. a root as to be. . See Are, and cf. Be, Was.].
The first person singular of the verb be, in the indicative mode, present tense. See Be. [1913 Webster]
"God said unto Moses, I am that am." [1913 Webster]
OXFORD DICTIONARY
am, abbr.
1 amplitude modulation.
2 US Master of Arts.
3 Member of the Order of Australia.
1 amplitude modulation.
2 US Master of Arts.
3 Member of the Order of Australia.
Etymology
(sense 2) L artium Magister
am, symb. Chem. the element americium.
am, 1st person sing. present of BE.
THESAURUS
am
Ack Emma, FM, PM, amplitude modulation, ante meridiem, double sideband, foreday, forenoon, grey-eyed morn, incense-breathing morn, matins, modulation, morn, morning, morning time, morntime, side frequency, sideband, this AM, this morning, waking timeFor further exploring for "am" in Webster Dictionary Online