Definition/Meaning of underpin

• English - Verb: underpin ( third-person singular simple present underpins , present participle underpinning , simple past and past participle underpinned ) ( transitive ) To support from below with props or masonry . You should underpin the mine roof to prevent further collapse . ( transitive , figuratively ) To give support to; to corroborate . Public confidence in politicians must underpin our democracy .…
• English - Pronunciation: ( UK ) IPA (key) : /ˌʌn.dəˈpɪn/ ( US ) IPA (key) : /ˌʌn.dɚˈpɪn/ , /ˈʌn.dɚˌpɪn/ ,
• English - Etymology: under- +‎ pin .