Where does “rongga sel” come from?

rongga sel (Indonesian) comes from Indonesian rongga, from Malay rongga, from Classical Malay rongga — hollow space, hole.

Ancestry of “rongga sel”, step by step

rongga sel traces back through two separate lines of ancestry.

via Indonesian rongga

StepLanguageWordMeaning
1Indonesianronggahollow space, hole
2Malayronggacavity
3Classical Malayronggahollow space, hole

via Indonesian sell

StepLanguageWordMeaning
1Indonesiansell—
Every word from Classical Malay rongga →Every word from Malay rongga →Every word from Indonesian rongga →