What is the meaning of Wis?

Certainly, surely.

Really, truly.

Indeed.

Certain.

Sure.

To know.

To think, suppose.

To imagine, ween; to deem.

to buy, purchase

duty, responsibility

wise

wise

wise

wise

preterite of weet; knew

sure, certain

twig

bundle, bunch

short for wisdoek (dishcloth)

inflection of wissen:

1. first-person singular present indicative
2. (in case of inversion) second-person singular present indicative
3. imperative

first-person singular present indicative

(in case of inversion) second-person singular present indicative

imperative

romanization of 𐍅𐌹𐍃

romanization of ꦮꦶꦱ꧀

forms ordinal numbers by preceding a cardinal number; -st, -th, -nd

synonym of tatarak

simple past tense of be

alternative form of was

certain, sure

true

safe, trustworthy

Source: wiktionary.org