strengu

• strenġo, strenġio, strenġeo

From Proto-West Germanic *strangī, from Proto-Germanic *strangį̄. Equivalent to strang +‎ -u.

• IPA^(key): /ˈstren.ju/, [ˈstren.d͡ʒu]

strenġu f

1. strength, power, vigour, fortitude
   • 10th century, “ANNUNCIATIO S. MARIÆ”, in (Please provide the book title or journal name), page 9:

     Mycel ǣrende brōhte hē; forþon his nama wæs gereht 'Godes strengo.'

     He brought a great errand for his name meant 'God's strength.'

• Often indeclinable outside of the genitive/dative plural, as with other īn-stems.

Strong īn-stem:

• strenġ
• strengþu (much more common)