Where does “*jaːmʔ” come from?

*jaːmʔ (Proto-Vietic) comes from Proto-Mon-Khmer jaam, from Russian ям — mail staging post; genitive plural of я́ма.

Ancestry of “*jaːmʔ”, step by step

StepLanguageWordMeaning
1Proto-Mon-Khmerjaamto weep, to cry; Compare Korku "jaːm"
2Russianямmail staging post; genitive plural of я́ма

Words derived from “*jaːmʔ”

Every word from Russian ям →Every word from Proto-Mon-Khmer jaam →