Basal  /ˈbeɪs(ə)l/  

Adjective

Synonyms: Fundamental, organic, primary, elementary, essential, basic
Antonyms: Cauline, ancillary, dependent

Hindi: बुनियादी
Punjabi: ਬੇਸਿਕ, ਬੁਨਿਆਦੀ

Meaning:

Forming or belonging to a bottom layer or base.

Sentence:

Basal epidermal cells.