Weghbeam or Weighbeam: How To spell?

The word Weghbeam is misspelled against Weighbeam, a noun meaning "A kind of large steelyard for weighing merchandise; -- also called weighmaster's beam."

Word contains consecutive vowels 'EI' in between alphabets w & ghbeam is misspelled as 'E' as letter 'I' is phonetically ignore
Wrong Spelling:  w-e-ghbeam 
Correct Spelling:  w-ei-ghbeam 
Explore spell check of Weighbeam to spell without errors.