V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry अगुरु
अगुरुagurua.Not heavy,light.
[न. त.]
Not heavy,light.
(In prosody) Short.
Having no teacher.
One different from a teacher.
Derived forms and compounds
-रु
Neuter (Masculine also) न गुरुर्यस्मात्
The fragrant aloe wood and tree; Aquiluria Agallocha.
That which yields Bdellium, Amyris Agallocha.
The Śiśu tree (शिंशपा).
-शिंशपा [अगुरुः सारो यस्यास्ताद्दशी शिंशपा; मध्यमपदलो.] the Śiśu tree.