golans

Cornish

Presumably from go- (“diminutive suffix”) +‎ nans (“valley”). Alternatively, borrowed from Welsh golan^[1] under influence from nans.

golans m (plural golansow)

Mutation of *golans*
unmutated	soft	aspirate	hard	mixed	mixed after 'th
golans	wolans	unchanged	kolans	hwolans	wolans

^ R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “golan”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies