Where does “ljohkoi” come from?

ljohkoi (Ingrian) comes from Russian лёгкое, from Russian лёгкий, from Proto-Slavic lьgъkъ, from Proto-Indo-European h₁lengʷʰ- — light.

Ancestry of “ljohkoi”, step by step

StepLanguageWordMeaning
1Russianлёгкоеlung; nominative neuter singular of лёгкий
2Russianлёгкийlight, lightweight; easy, facile, slight; lucky
3Proto-Slaviclьgъkъlight
4Proto-Indo-Europeanh₁lengʷʰ-light
Every word from Proto-Indo-European h₁lengʷʰ- →Every word from Proto-Slavic lьgъkъ →Every word from Russian лёгкий →