Rudimentary

1.

(beginning: elementary; in biology, pertaining to an undeveloped part or organ) rudimentary principles ជាបឋមវិធាន, rudimentary living conditions ដ៏អត្ដខាត់

1.

Very imperfectly developed; in an early stage of development; embryonic.

2.

Of or pertaining to rudiments; consisting in first principles; elementary; initial; as, rudimental essays.