The Avestan word hunu-š
Word hunu-š
Meaning son
See also Old Norse: sunr ‘son’
Tocharian B: soy ‘son’

Other words that might be of interest
nar- ‘man’, nāirī ‘woman’, mašiia- ‘mortal, man’, vīra- ‘man’, napāt- ‘grandson’, amərətatāt- ‘immortality’