మెగా-

Etymology
From, from. Cognate with 🇨🇬, and with Germanic words: 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬.

Prefix

 * 1) Very large, great.
 * 2) In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by one million (106.) SI Symbol: M, computing abbreviation: Mi.