anchorism
noun
[ ˈaŋkərɪz(ə)m ]
• the state of living as a religious recluse.
• "as he longed for anchorism he went to Scetis, following a Cherub"
Origin:
late 16th century: from Old English anchor ‘recluse, hermit’ (from medieval Latin anchorita anchorite) + -ism.
