Keep The Home Fires Burning Meaning

(idiomatic, colloquial) To maintain daily routine and provide the necessities of life in a home or community.

Example: 1881, Andrew Jackson Davis, The genesis and ethics of conjugal love[1], page 115:
  We got our water from a pump in the backyard and there is no domestic fatigue indoors or out-of-doors that I have not done continuously, not for fun but to keep the home fires burning.
2005, Karen Houppert, Home fires burning: married to the military, for better or worse[2], ISBN 0345461703, page xix:
  While the military has moved to gender-neutral language in all its official descriptions of the "spouses" who keep the home fires burning during deployments ...