Meetings are held every other week.
distant; remote; isolated
space; interval; gap · space character; whitespace
isolation; separation; remoteness
every other week; biweekly
partition; barrier wall; bulkhead; septum; diaphragm
diaphragm
every second month; every other month; bimonthly
different generation; separation of ages; being of a different era
biennially; every second year; every other year
every other day; every second day
septum
difference; discrepancy; gap
alienation; estrangement
mediastinum
separation; estrangement
reserve; alienation; estrangement
reserve; reticence; estrangement
diaphragm; partition
isolation; separation; keeping apart
line spacing
From the kanji 隔, meaning 'separate' or 'interval'. The prefix use is a straightforward extension of this meaning.