Dig up
Dig up verb - To come upon after searching, study, or effort.
Hollow
Hollow verb - Remove the inner part or the core of.
Both terms in one sentence
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It's also suggested that, because the Earth is hollow, it would make more sense to just dig to the centre and then dig up to wherever they wanted.
Source: Digging to China
Cite this Source
Hollow and Dig up. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/dig_up/hollow
Dig up & Hollow. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/dig_up/hollow>.
Hollow or Dig up. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/dig_up/hollow.
Google Ngram Viewer shows how "dig up" and "hollow" have occurred on timeline