'GAN' definitions:

Definition of 'Gan'

From: GCIDE

Gan \Gan\, imp. of Gin. [See Gin, v.] Began; commenced. [1913 Webster]
Note: Gan was formerly used with the infinitive to form compound imperfects, as did is now employed. Gan regularly denotes the singular; the plural is usually denoted by gunne or gonne. [1913 Webster]
This man gan fall (i.e., fell) in great suspicion. --Chaucer. [1913 Webster]
The little coines to their play gunne hie (i. e., hied). --Chaucer. [1913 Webster]
Note: Later writers use gan both for singular and plural. [1913 Webster]
Yet at her speech their rages gan relent. --Spenser. [1913 Webster]

From: GCIDE

Gin \Gin\ (g[i^]n), v. i. [imp. & p. p. Gan (g[a^]n), Gon (g[o^]n), or Gun (g[u^]n); p. pr. & vb. n. Ginning.] [OE. ginnen, AS. ginnan (in comp.), prob. orig., to open, cut open, cf. OHG. inginnan to begin, open, cut open, and prob. akin to AS. g[imac]nan to yawn, and E. yawn. [root]31. See Yawn, v. i., and cf. Begin.] To begin; -- often followed by an infinitive without to; as, gan tell. See Gan. [Obs. or Archaic] "He gan to pray." --Chaucer. [1913 Webster]