deriv LSK ETT STT aSTA ALPH OLDHOMEPAGE NEWHOMEPAGE
"num" is an n न् that is added after the last vowel —
phala- फलॱ + /num → phalan- फलन् as in **phalAni फलानि
hanumat- हनुमत् + /num → hanumant- हनुमन्त् as in **hanumantam हनुमन्तम्
manas- मनस् + /num → manans- मनन्स् as in **manAMsi मनांसि
The n न् is added after the last vowel because "num" has m label, see midacontyAtp... .
The u label is feop.