upsurge
verbEtymology From up- + surge.
1
to surge up, or to become stronger or greater
upsurge
nounEtymology From up- + surge.
1
A sudden strong rise or flow.
- Our South Wales correspondent expects the current upsurge of coal traffic in South Wales to swell BR tonnage in the area by 20 per cent this year compared with 1963 carryings.1964 March, “News and Comment: More block trains in South Wales”, in Modern Railways, page 152: