What is the meaning of Teina?

theine (caffeine in tea)

younger brother of a male

younger sister of a female

basket made of twigs, wicker basket

inflection of teinn:

1. indefinite accusative plural
2. indefinite genitive plural

indefinite accusative plural

indefinite genitive plural

dog

theine (caffeine in tea)

nominative/accusative definite singular of teină

Source: wiktionary.org