اِدْلَهَمَّ

It (the night) was, or became, black; (TA;) or intensely dark: (Mgh:) and اِدْلَأَمَّ signifies the same; (K and TA in article دلم;) the ء being a substitute for ه. (TA in that article) And It (darkness) was, or became, dense, or thick. (K.) See the next paragraph.

Also He (a man) was, or became, aged; and so اِدْلَهَنَّ. (K in article دلهن.)