An Etymological Dictionary of Astronomy and Astrophysics

The first part or period of the day, extending from dawn, or from midnight, to noon. Not a precise astronomical term.

Etymology (EN): From M.E. morn, morwen, from O.E. margen earlier morgen (cf. O.H.G. morgen, Goth. maurgins) + → -ing.

Etymology (PE): Bâmdâd, from Mid.Pers. bâmdâd “morning, dawn,” from bâm “beam of light, splendor,” bâmik “brilliant” (from Av. *bāma- “light,” bāmya- “light, luminous, bright,” vīspô.bāma- “all resplendent,” from bā- “to shine;” cf. Skt. bhāti- “light, splendor”) + dâd “given,” from dâdan “to give” (O.Pers./Av. dā- “to give, grant, yield,” dadāiti “he gives;” Skt. dadáti “he gives;” Gk. tithenai “to place, put, set,” didomi “I give;”
L. dare “to give, offer,” facere “to do, to make;” Rus. delat’ “to do;” O.H.G. tuon, Ger. tun, O.E. don “to do;” PIE base *dhe- “to put, to do”).