buss
n.
"a kiss," 1560s; probably of imitative origin, as are Welsh and Gaelic bus "kiss, lip," French baiser "kiss" (12c., from Latin basiare), Spanish buz, German dialectal Buss.
v.
1570s, from buss, n.. Related: Bussed; bussing.
Kissing and bussing differ both in this,
We busse our wantons, but our wives we kisse.
[Robert Herrick, "Hesperides," 1648]
We busse our wantons, but our wives we kisse.
[Robert Herrick, "Hesperides," 1648]