征候

征候	zhēng hòu	sign; indication; symptom
征	zhēng	journey / trip / expedition / to go on long campaign / to attack
征	zhēng	to invite / to recruit / to levy (taxes) / to draft (troops) / phenomenon / symptom / characteristic sign (used as proof) / evidence
候	hòu	to wait / to inquire after / to watch / season / climate / (old) period of five days