-ome

Etymology 1
Alteration of, from.

Only partially cognate to, from , in that both share the case ending , but the ω is unrelated.

Suffix

 * 1) A mass of something.

Etymology 2
, reinforced by. Early examples include (1916) and, from 🇨🇬 (1920). Some association with genetics due to occurrence in and.

Suffix

 * 1)  The complete whole of a class of substances for a species or an individual.

Etymology
From.

Suffix

 * 1) -oma