etiolated
adjective
[ ˈiːtɪəˌleɪtɪd ]
• (of a plant) pale and drawn out due to a lack of light.
• "etiolated leaf segments"
• having lost vigour or substance; feeble.
• "a tone of etiolated nostalgia"
Origin:
late 18th century: from etiolate + -ed2.
etiolate
verb
• make (a plant) pale through lack of light.
• "the seedling had been etiolated by having been grown in darkness"
Origin:
late 18th century: from French étioler, from Norman French étieuler ‘grow into haulm’: see -ate3.