Марица

Etymology
or +, attested as  by ancient scholars.

Georgiev proposes two possible meanings of the Thracian term:
 * “marsh, bog”, akin to 🇨🇬 (ancient ), 🇨🇬 (of Iranian origin), 🇨🇬, 🇨🇬, etc.
 * “great, significant”, cognate with 🇨🇬, 🇨🇬 and further related to 🇨🇬.

Proper noun

 * 1) Maritsa river in the Central Balkans, flowing into the Aegean Sea

Etymology 1
.

Etymology 2
Of Thracian origin.