勤つとめる

1. 1to work (for, at, in) ; to be employed (at) ; to serve (as)
2. 2to finish (a term) ; to serve (e.g. a sentence) ; to serve out (e.g. an apprenticeship)
3. 3to conduct (a ceremony) ; to perform (a Buddhist memorial service)
4. 4to pratice (Buddhist teachings) ; to study (Buddhism)

JMdict entry 1240825 · frequency rank 50. Source and licence.