एकी (Marathi) comes from Marathi एक, from Old Marathi 𑘊𑘎, from Sauraseni Apabhramsa एक्क, from Sauraseni Prakrit 𑀏𑀓𑁆𑀓, from Ashokan Prakrit 𑀏𑀓, from Sanskrit एक, from Proto-Indo-Aryan Háykas, from Proto-Indo-Iranian Háykas — one; single.
एकी (Marathi): unity