n. 同居生活费;;分居赡养费

[ noun ]
support paid by one half of an unmarried partnership after the relationship ends
<noun.possession>

palimony \pal"i*mo`ny\ (p[a^]l"[i^]*m[=o]`n[y^]), n. [pal +
alimony. (ca. 1975)]
a form of alimony paid to a former partner in a romantic
relationship after a period of living together, even though
the two persons involved were not married to each other. The
absence of a formal marriage distinguishes it from {alimony}.
[PJC]