What is the meaning of Deas?

Alternative form of dais.

second-person singular present subjunctive of dar

(to the) south, southerly

right, right-hand (opposite of left)

near, close; convenient [with do ‘to’]

right, correct (opposite of wrong)

nice

pretty

honest

straight

accusative plural of dea

ready, prepared, accomplished

right, right-hand

adroit, dexterous, skillful, expert

trim, spruce

erect

south

southern, south

remain, abide

plural of dea

Source: wiktionary.org