潛伏

to hide / to cover up / to conceal

hidden / secret / latent / to hide / to conceal / to submerge / to dive

surname Fu

to lean over / to fall (go down) / to hide (in ambush) / to conceal oneself / to lie low / hottest days of summer / to submit / to concede defeat / to overcome / to subdue / volt

incubation period (of disease)