Answer: resalts

AnswerCrossword Clue
RESALTS

Adds more seasoning to

RESALTS

Seasons a bit more

RESALTS

Treats an icy road again

RESALTS
Adds seasoning.
RESALTS
Adds more seasoning.
RESALTSSeasons again.
RESALTSAdds more NaCl
RESALTSSeasons anew