an aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation
"The ancient Egyptians burned frankincense during their religious ceremonies to honor the gods."
Alternative spelling of thuris
"Thus is an obsolete variant of thuris, a form that rarely appears in modern texts."
"The jury's decision was based on thus: clear evidence presented during the trial."
(used to introduce a logical conclusion) from that fact or reason or as a result
"therefore X must be true"
"the eggs were fresh and hence satisfactory"
"we were young and thence optimistic"
"it is late and thus we must go"
"the witness is biased and so cannot be trusted"
In this way or manner.
"The teacher demonstrated the technique step by step, thus making it easy for students to follow along."
Thus comes from Middle and Old English, where it meant "in this way" or "as follows." The word likely originated as a variant form related to the phrase meaning "with this," eventually traveling into modern usage without changing its core sense.