o·se·tra also os·set·ra 
(ō-sĕtrə)
(ō-sĕtrə)n.
Caviar made from the roe of either of two sturgeons, Acipenser gueldenstaedtii or A. persicus of the Caspian and Black Seas, having a yellowish or brownish color and a nutty flavor.
[From Russian osëtr, sturgeon (probably in its genitive form osetra), from Old Russian osetrŭ; akin to Old Prussian esketres.]
- Indo-European root: nō̆-men-
- Indo-European root: n̥dher-
- Indo-European root: od-
- Indo-European root: oi-no-
- Indo-European root: oit-
- Indo-European root: oktō(u)
- Indo-European root: okw-
- Indo-European root: op-
- Indo-European root: or-
- Indo-European root: orbh-
- Indo-European root: ors-
- Indo-European root: ost-
- Indo-European root: ous-
- Indo-European root: owi-
- Indo-European root: pag-
- Indo-European root: pan-
- Indo-European root: pant-
- Indo-European root: papa
- Indo-European root: past-
- Indo-European root: pau-
- Indo-European root: pau-
- Indo-European root: paəwr̥
- Indo-European root: ped-
- Indo-European root: peig-
- Indo-European root: peiə-