adv. Anat. [f. THEN-AR + -ad: see DEXTRAD.] Towards the thenal aspect.

1

1803.  Barclay, New Anat. Nomencl., 166. Ulnad will signify towards the ulnar aspect…. Thenad … towards the thenal. Ibid. (1808), Muscular Motions, 397. The pronators rolling them thenad and radiad.

2

1857.  Dunglison, Med. Lex., Thenad is used adverbially … to signify ‘towards the thenal aspect.’

3