The character in this poem is read "lâu", which means "a long time". It is a simplification of VN-F0011 in WS2017 which is composed of the phonetic element 婁 (read "lâu") and the semantic element 久. Given that, the intent of the calligrapher is clearly to convey the meaning 乆 ("cửu" a long time) or it's more common variant 久. We can consider modifying the glyph to ⿰类乆, but do not want to create yet another variant of 久.
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