expression, ichidan verb
raise one's head; rear its head; come to the fore
Literally 'to lift one's head', but often used figuratively for problems, feelings, or forces that emerge or gain strength. The subject is typically something negative or previously suppressed.
不況の影響で、再びリストラの話が頭をもたげてきた。
Due to the recession, talk of restructuring has reared its head again.
彼の中で疑念が頭をもたげ始めた。
Doubts began to raise their head inside him.