βαστάσασι [6 verses](part pl aor act masc dat) "Have born the burden" is bastazo, which means "to lift up," "to raise," "to bear," "to carry," "to endure," and "to carry off, "produce," "yield," of land."  - "Which have born" is from a verb that means to "lift up" "raise," "endure," and "bear." Jesus only uses it six times, always in the sense of taking up a heavy responsibility.