autogenous
Concise Oxford English Dictionary © 2008 Oxford University Press:
autogenous /ɔːˈtɒdʒɪnəs/
▶adjective
- 1 arising from within or from a thing itself.
- 2 (of welding) done either without a filler or with a filler of the same metal as the pieces being welded.
'autogenous' also found in these Oxford entries:

