Japanese
Alternative forms
Adverb
早々 (hiragana はやばや, romaji hayabaya) (alternative reading hiragana そうそう, romaji sōsō, historical hiragana さうさう) 
-  so early; occurring much earlier than usual
 
-  promptly; right away
 
Noun
早々 (hiragana そうそう, romaji sōsō, historical hiragana さうさう)
-  something happening right away