Thus

[Sarah]

The commoner kind of frankincense, or that obtained from theNorway spruce, the long-leaved pine, and other conifers.

[Sarah]

Adverb:

1. (used to introduce a logical conclusion) from that fact or reason or as a result
2. In the way indicated

[Sarah]

A totally [pretentious] way of saying that a fact will follow or has preceded a statement. Typically used so a writer can sound more intelligent than they actually are.