Comparative evidence

ǵʰi̯em

• OInd. heman 'winter' (only used in loc., "in the winter") (MW: 1304)

• OInd. hemanta 'winter', 'cold season' (comprising the two months agra-hāyaṇa and pauṣa, i.e. from middle of November to middle of January) (MW: 1304)

• OInd. hímā 'cold season', 'winter', 'year', 'night' (MW: 1298)

• OInd. himyá 'snowy', 'covered with snow' (MW: 1299)

• OInd. hāyaná 'lasting a year', 'returning every year' (MW: 1297)

• OInd. himávant 'having frost', having snow', 'snowy', frosty', 'icy','ice-clad'; 'exposing one's self to coldness or enduring it'; 'snowy mountain'; 'himālaya', 'kailāsa' (MW: 1299)

• OInd. hima 'cold', 'frost'; 'cold season', 'winter'; 'sandal tree', 'sandal wood' (of cooling properties) (MW: 1298)

References

MW = Monier-Williams, M. 1899. A Sanskrit-English Dictionary. Clarendon Press.