My Suggestions

muunĩko

n. · class 4

  1. migration, dispersal of community by removal from one district to another especially in time of famine; 2. flight, evacuation, in wartime; 3. mũũnĩko wa maĩ = inundation, flood
  2. flight, evacuation, in wartime
  3. ~ wa maĩ, inundation, flood

Etymology: [una]