black cloud rainbow 3 realizations Multi-area
NEW Realization 1
type Polysemy
language Kabola
lexeme laːb
meaning 1 cloud
direction
meaning 2 rainbow
reference TransNewGuinea.org CLICS-3
comment
NEW Realization 2
type Polysemy
language Maerkang
lexeme nʤa
meaning 1 cloud
direction
meaning 2 rainbow
reference Nagano, Prins 2013 CLICS-3
comment
NEW Realization 3
type Cognates
language 1 Russian
language 2 Polish
lexeme 1 туча (tuča)
lexeme 2 tęcza
meaning 1 black, rainy cloud
direction
meaning 2 rainbow
reference ESSJa Brückner 1927 WSJP
comment

From Proto-Slavic *tǫ̀ča 'condensation, cumulation, thickening' > 'precipitation', from  a k-extension of Proto-Indo-European *tenH- 'to contract, to stretch', akin to Lithuanian tánkus 'thick', Proto-Germanic *þinhtaz 'tight, dense'.

Snoj, Marko (2016) Slovenski etimološki slovar, 3rd edition, https://fran.si/iskanje?FilteredDictionaryIds=193&View=1&Query=to%C4%8Da 

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