Empire Founded by Osman I
This page is the CodyCross answer for the clue below from African grasslands, Group 1548, Puzzle 2 (Terrestrial Biome).
Question is: Empire Founded by Osman I
and the answer is: OTTOMAN
Word Meaning:
OTTOMAN — (furniture) An upholstered sofa, without arms or a back, sometimes with a compartment for storing linen etc.
Definitions from Wiktionary.