thereout
Out of it, out from it.
archaic
Claius presently went to a Fisherman, & having agreed with him, and provided some apparrell for the naked stranger, he imbarked, and the Shepheards with him: and were no sooner gone beyond the mouth of the haven, but that some way into the sea they might discerne (as it were) a stayne of the waters colour, and by times some sparkes and smoke mounting thereout.
outside; outdoors
obsolete
Where it comes from
From Middle English ther-oute, þer-out, þar-out, þeroute, from Old English þǣrūt and þǣrūte, equivalent to there + out. Compare Saterland Frisian deeruut, Dutch daaruit, German Low German daarut, German daraus.
Adapted from the Wiktionary entry thereout (CC BY-SA 4.0).